Quick view Details Caldwell Solid End Plate MSRP: Now: $21.00 Add to Cart Compare Quick view Details Caldwell Corrugated-Solid 18 Guage Floor Sheet (20" x 45") MSRP: Now: $52.00 Add to Cart Compare Quick view Details Caldwell Corrugated-Perforated 18 Guage Floor Sheet (20" x 45") MSRP: Now: $39.00 Add to Cart Compare Quick view Details Caldwell Flush floor Concrete Form MSRP: Now: $32.00 Choose Options Compare Quick view Details Caldwell 18" Raised Y Fan Transition with Angle Ring Flange MSRP: Now: $603.00 Add to Cart Compare Quick view Details Caldwell 12" Raised Y Fan Transition with Angle Ring Flange MSRP: Now: $589.00 Add to Cart Compare Quick view Details Standard Fan Transition MSRP: Now: $570.00 Add to Cart Compare Quick view Details Caldwell Y Fan Transition MSRP: Now: $527.00 Add to Cart Compare Quick view Details Flush Floor Y MSRP: Now: $575.00 Add to Cart Compare Quick view Caldwell Solid End Plate Solid end plate to close off the end of your flush-floor aeration channel. Keeps grain out and directs airflow back into the system where it belongs. MSRP: Now: $21.00 Add to Cart Compare Quick view Caldwell Corrugated-Solid 18 Guage Floor Sheet (20" x 45") Corrugated, solid 18-gauge floor sheet measuring 20" x 45", for the areas of your flush-floor system where you don't want airflow. The corrugated profile keeps it strong underfoot. MSRP: Now: $52.00 Add to Cart Compare Quick view Caldwell Corrugated-Perforated 18 Guage Floor Sheet (20" x 45") Corrugated, perforated 18-gauge floor sheet for flush-floor aeration systems. The perforations let air flow up into the grain while the corrugated profile carries the load. Sheets measure 20" x 45". MSRP: Now: $39.00 Add to Cart Compare Quick view Caldwell Flush floor Concrete Form Flush-floor concrete form for pouring the foundation channels of your flush-floor aeration system. It shapes the concrete so your ducting and floor sit right when the pour cures. MSRP: Now: $32.00 Choose Options Compare Quick view Caldwell 18" Raised Y Fan Transition with Angle Ring Flange 18" raised Y fan transition with an angle ring flange, sized for larger fans and ducting. It raises and splits the airflow into a Y, with the angle ring flange giving you a tight, dependable seal. MSRP: Now: $603.00 Add to Cart Compare Quick view Caldwell 12" Raised Y Fan Transition with Angle Ring Flange 12" raised Y fan transition with an angle ring flange, built to lift and split your fan's airflow into a Y configuration. The angle ring flange makes for a strong, sealed connection to the ducting. MSRP: Now: $589.00 Add to Cart Compare Quick view Standard Fan Transition Standard flush-floor fan transition, joining your fan to the flush-floor aeration ducting. A clean, simple connection that gets the air from the fan into the floor system. MSRP: Now: $570.00 Add to Cart Compare Quick view Caldwell Y Fan Transition Y fan transition for connecting your fan to a Y aeration setup. It mates the fan outlet to the ducting so air moves smoothly into the system with no awkward gaps. MSRP: Now: $527.00 Add to Cart Compare Quick view Flush Floor Y The Y fitting for your flush-floor aeration system, splitting airflow into two directions beneath the floor. Built to tie cleanly into the rest of your flush-floor components. MSRP: Now: $575.00 Add to Cart Compare Compare Selected × OK
Quick view Details Caldwell Corrugated-Solid 18 Guage Floor Sheet (20" x 45") MSRP: Now: $52.00 Add to Cart Compare Quick view Details Caldwell Corrugated-Perforated 18 Guage Floor Sheet (20" x 45") MSRP: Now: $39.00 Add to Cart Compare Quick view Details Caldwell Flush floor Concrete Form MSRP: Now: $32.00 Choose Options Compare Quick view Details Caldwell 18" Raised Y Fan Transition with Angle Ring Flange MSRP: Now: $603.00 Add to Cart Compare Quick view Details Caldwell 12" Raised Y Fan Transition with Angle Ring Flange MSRP: Now: $589.00 Add to Cart Compare Quick view Details Standard Fan Transition MSRP: Now: $570.00 Add to Cart Compare Quick view Details Caldwell Y Fan Transition MSRP: Now: $527.00 Add to Cart Compare Quick view Details Flush Floor Y MSRP: Now: $575.00 Add to Cart Compare Quick view Caldwell Solid End Plate Solid end plate to close off the end of your flush-floor aeration channel. Keeps grain out and directs airflow back into the system where it belongs. MSRP: Now: $21.00 Add to Cart Compare Quick view Caldwell Corrugated-Solid 18 Guage Floor Sheet (20" x 45") Corrugated, solid 18-gauge floor sheet measuring 20" x 45", for the areas of your flush-floor system where you don't want airflow. The corrugated profile keeps it strong underfoot. MSRP: Now: $52.00 Add to Cart Compare Quick view Caldwell Corrugated-Perforated 18 Guage Floor Sheet (20" x 45") Corrugated, perforated 18-gauge floor sheet for flush-floor aeration systems. The perforations let air flow up into the grain while the corrugated profile carries the load. Sheets measure 20" x 45". MSRP: Now: $39.00 Add to Cart Compare Quick view Caldwell Flush floor Concrete Form Flush-floor concrete form for pouring the foundation channels of your flush-floor aeration system. It shapes the concrete so your ducting and floor sit right when the pour cures. MSRP: Now: $32.00 Choose Options Compare Quick view Caldwell 18" Raised Y Fan Transition with Angle Ring Flange 18" raised Y fan transition with an angle ring flange, sized for larger fans and ducting. It raises and splits the airflow into a Y, with the angle ring flange giving you a tight, dependable seal. MSRP: Now: $603.00 Add to Cart Compare Quick view Caldwell 12" Raised Y Fan Transition with Angle Ring Flange 12" raised Y fan transition with an angle ring flange, built to lift and split your fan's airflow into a Y configuration. The angle ring flange makes for a strong, sealed connection to the ducting. MSRP: Now: $589.00 Add to Cart Compare Quick view Standard Fan Transition Standard flush-floor fan transition, joining your fan to the flush-floor aeration ducting. A clean, simple connection that gets the air from the fan into the floor system. MSRP: Now: $570.00 Add to Cart Compare Quick view Caldwell Y Fan Transition Y fan transition for connecting your fan to a Y aeration setup. It mates the fan outlet to the ducting so air moves smoothly into the system with no awkward gaps. MSRP: Now: $527.00 Add to Cart Compare Quick view Flush Floor Y The Y fitting for your flush-floor aeration system, splitting airflow into two directions beneath the floor. Built to tie cleanly into the rest of your flush-floor components. MSRP: Now: $575.00 Add to Cart Compare Compare Selected × OK
Quick view Details Caldwell Corrugated-Perforated 18 Guage Floor Sheet (20" x 45") MSRP: Now: $39.00 Add to Cart Compare Quick view Details Caldwell Flush floor Concrete Form MSRP: Now: $32.00 Choose Options Compare Quick view Details Caldwell 18" Raised Y Fan Transition with Angle Ring Flange MSRP: Now: $603.00 Add to Cart Compare Quick view Details Caldwell 12" Raised Y Fan Transition with Angle Ring Flange MSRP: Now: $589.00 Add to Cart Compare Quick view Details Standard Fan Transition MSRP: Now: $570.00 Add to Cart Compare Quick view Details Caldwell Y Fan Transition MSRP: Now: $527.00 Add to Cart Compare Quick view Details Flush Floor Y MSRP: Now: $575.00 Add to Cart Compare Quick view Caldwell Solid End Plate Solid end plate to close off the end of your flush-floor aeration channel. Keeps grain out and directs airflow back into the system where it belongs. MSRP: Now: $21.00 Add to Cart Compare Quick view Caldwell Corrugated-Solid 18 Guage Floor Sheet (20" x 45") Corrugated, solid 18-gauge floor sheet measuring 20" x 45", for the areas of your flush-floor system where you don't want airflow. The corrugated profile keeps it strong underfoot. MSRP: Now: $52.00 Add to Cart Compare Quick view Caldwell Corrugated-Perforated 18 Guage Floor Sheet (20" x 45") Corrugated, perforated 18-gauge floor sheet for flush-floor aeration systems. The perforations let air flow up into the grain while the corrugated profile carries the load. Sheets measure 20" x 45". MSRP: Now: $39.00 Add to Cart Compare Quick view Caldwell Flush floor Concrete Form Flush-floor concrete form for pouring the foundation channels of your flush-floor aeration system. It shapes the concrete so your ducting and floor sit right when the pour cures. MSRP: Now: $32.00 Choose Options Compare Quick view Caldwell 18" Raised Y Fan Transition with Angle Ring Flange 18" raised Y fan transition with an angle ring flange, sized for larger fans and ducting. It raises and splits the airflow into a Y, with the angle ring flange giving you a tight, dependable seal. MSRP: Now: $603.00 Add to Cart Compare Quick view Caldwell 12" Raised Y Fan Transition with Angle Ring Flange 12" raised Y fan transition with an angle ring flange, built to lift and split your fan's airflow into a Y configuration. The angle ring flange makes for a strong, sealed connection to the ducting. MSRP: Now: $589.00 Add to Cart Compare Quick view Standard Fan Transition Standard flush-floor fan transition, joining your fan to the flush-floor aeration ducting. A clean, simple connection that gets the air from the fan into the floor system. MSRP: Now: $570.00 Add to Cart Compare Quick view Caldwell Y Fan Transition Y fan transition for connecting your fan to a Y aeration setup. It mates the fan outlet to the ducting so air moves smoothly into the system with no awkward gaps. MSRP: Now: $527.00 Add to Cart Compare Quick view Flush Floor Y The Y fitting for your flush-floor aeration system, splitting airflow into two directions beneath the floor. Built to tie cleanly into the rest of your flush-floor components. MSRP: Now: $575.00 Add to Cart Compare Compare Selected × OK
Quick view Details Caldwell Flush floor Concrete Form MSRP: Now: $32.00 Choose Options Compare Quick view Details Caldwell 18" Raised Y Fan Transition with Angle Ring Flange MSRP: Now: $603.00 Add to Cart Compare Quick view Details Caldwell 12" Raised Y Fan Transition with Angle Ring Flange MSRP: Now: $589.00 Add to Cart Compare Quick view Details Standard Fan Transition MSRP: Now: $570.00 Add to Cart Compare Quick view Details Caldwell Y Fan Transition MSRP: Now: $527.00 Add to Cart Compare Quick view Details Flush Floor Y MSRP: Now: $575.00 Add to Cart Compare Quick view Caldwell Solid End Plate Solid end plate to close off the end of your flush-floor aeration channel. Keeps grain out and directs airflow back into the system where it belongs. MSRP: Now: $21.00 Add to Cart Compare Quick view Caldwell Corrugated-Solid 18 Guage Floor Sheet (20" x 45") Corrugated, solid 18-gauge floor sheet measuring 20" x 45", for the areas of your flush-floor system where you don't want airflow. The corrugated profile keeps it strong underfoot. MSRP: Now: $52.00 Add to Cart Compare Quick view Caldwell Corrugated-Perforated 18 Guage Floor Sheet (20" x 45") Corrugated, perforated 18-gauge floor sheet for flush-floor aeration systems. The perforations let air flow up into the grain while the corrugated profile carries the load. Sheets measure 20" x 45". MSRP: Now: $39.00 Add to Cart Compare Quick view Caldwell Flush floor Concrete Form Flush-floor concrete form for pouring the foundation channels of your flush-floor aeration system. It shapes the concrete so your ducting and floor sit right when the pour cures. MSRP: Now: $32.00 Choose Options Compare Quick view Caldwell 18" Raised Y Fan Transition with Angle Ring Flange 18" raised Y fan transition with an angle ring flange, sized for larger fans and ducting. It raises and splits the airflow into a Y, with the angle ring flange giving you a tight, dependable seal. MSRP: Now: $603.00 Add to Cart Compare Quick view Caldwell 12" Raised Y Fan Transition with Angle Ring Flange 12" raised Y fan transition with an angle ring flange, built to lift and split your fan's airflow into a Y configuration. The angle ring flange makes for a strong, sealed connection to the ducting. MSRP: Now: $589.00 Add to Cart Compare Quick view Standard Fan Transition Standard flush-floor fan transition, joining your fan to the flush-floor aeration ducting. A clean, simple connection that gets the air from the fan into the floor system. MSRP: Now: $570.00 Add to Cart Compare Quick view Caldwell Y Fan Transition Y fan transition for connecting your fan to a Y aeration setup. It mates the fan outlet to the ducting so air moves smoothly into the system with no awkward gaps. MSRP: Now: $527.00 Add to Cart Compare Quick view Flush Floor Y The Y fitting for your flush-floor aeration system, splitting airflow into two directions beneath the floor. Built to tie cleanly into the rest of your flush-floor components. MSRP: Now: $575.00 Add to Cart Compare Compare Selected × OK
Quick view Details Caldwell 18" Raised Y Fan Transition with Angle Ring Flange MSRP: Now: $603.00 Add to Cart Compare Quick view Details Caldwell 12" Raised Y Fan Transition with Angle Ring Flange MSRP: Now: $589.00 Add to Cart Compare Quick view Details Standard Fan Transition MSRP: Now: $570.00 Add to Cart Compare Quick view Details Caldwell Y Fan Transition MSRP: Now: $527.00 Add to Cart Compare Quick view Details Flush Floor Y MSRP: Now: $575.00 Add to Cart Compare Quick view Caldwell Solid End Plate Solid end plate to close off the end of your flush-floor aeration channel. Keeps grain out and directs airflow back into the system where it belongs. MSRP: Now: $21.00 Add to Cart Compare Quick view Caldwell Corrugated-Solid 18 Guage Floor Sheet (20" x 45") Corrugated, solid 18-gauge floor sheet measuring 20" x 45", for the areas of your flush-floor system where you don't want airflow. The corrugated profile keeps it strong underfoot. MSRP: Now: $52.00 Add to Cart Compare Quick view Caldwell Corrugated-Perforated 18 Guage Floor Sheet (20" x 45") Corrugated, perforated 18-gauge floor sheet for flush-floor aeration systems. The perforations let air flow up into the grain while the corrugated profile carries the load. Sheets measure 20" x 45". MSRP: Now: $39.00 Add to Cart Compare Quick view Caldwell Flush floor Concrete Form Flush-floor concrete form for pouring the foundation channels of your flush-floor aeration system. It shapes the concrete so your ducting and floor sit right when the pour cures. MSRP: Now: $32.00 Choose Options Compare Quick view Caldwell 18" Raised Y Fan Transition with Angle Ring Flange 18" raised Y fan transition with an angle ring flange, sized for larger fans and ducting. It raises and splits the airflow into a Y, with the angle ring flange giving you a tight, dependable seal. MSRP: Now: $603.00 Add to Cart Compare Quick view Caldwell 12" Raised Y Fan Transition with Angle Ring Flange 12" raised Y fan transition with an angle ring flange, built to lift and split your fan's airflow into a Y configuration. The angle ring flange makes for a strong, sealed connection to the ducting. MSRP: Now: $589.00 Add to Cart Compare Quick view Standard Fan Transition Standard flush-floor fan transition, joining your fan to the flush-floor aeration ducting. A clean, simple connection that gets the air from the fan into the floor system. MSRP: Now: $570.00 Add to Cart Compare Quick view Caldwell Y Fan Transition Y fan transition for connecting your fan to a Y aeration setup. It mates the fan outlet to the ducting so air moves smoothly into the system with no awkward gaps. MSRP: Now: $527.00 Add to Cart Compare Quick view Flush Floor Y The Y fitting for your flush-floor aeration system, splitting airflow into two directions beneath the floor. Built to tie cleanly into the rest of your flush-floor components. MSRP: Now: $575.00 Add to Cart Compare Compare Selected × OK
Quick view Details Caldwell 12" Raised Y Fan Transition with Angle Ring Flange MSRP: Now: $589.00 Add to Cart Compare Quick view Details Standard Fan Transition MSRP: Now: $570.00 Add to Cart Compare Quick view Details Caldwell Y Fan Transition MSRP: Now: $527.00 Add to Cart Compare Quick view Details Flush Floor Y MSRP: Now: $575.00 Add to Cart Compare Quick view Caldwell Solid End Plate Solid end plate to close off the end of your flush-floor aeration channel. Keeps grain out and directs airflow back into the system where it belongs. MSRP: Now: $21.00 Add to Cart Compare Quick view Caldwell Corrugated-Solid 18 Guage Floor Sheet (20" x 45") Corrugated, solid 18-gauge floor sheet measuring 20" x 45", for the areas of your flush-floor system where you don't want airflow. The corrugated profile keeps it strong underfoot. MSRP: Now: $52.00 Add to Cart Compare Quick view Caldwell Corrugated-Perforated 18 Guage Floor Sheet (20" x 45") Corrugated, perforated 18-gauge floor sheet for flush-floor aeration systems. The perforations let air flow up into the grain while the corrugated profile carries the load. Sheets measure 20" x 45". MSRP: Now: $39.00 Add to Cart Compare Quick view Caldwell Flush floor Concrete Form Flush-floor concrete form for pouring the foundation channels of your flush-floor aeration system. It shapes the concrete so your ducting and floor sit right when the pour cures. MSRP: Now: $32.00 Choose Options Compare Quick view Caldwell 18" Raised Y Fan Transition with Angle Ring Flange 18" raised Y fan transition with an angle ring flange, sized for larger fans and ducting. It raises and splits the airflow into a Y, with the angle ring flange giving you a tight, dependable seal. MSRP: Now: $603.00 Add to Cart Compare Quick view Caldwell 12" Raised Y Fan Transition with Angle Ring Flange 12" raised Y fan transition with an angle ring flange, built to lift and split your fan's airflow into a Y configuration. The angle ring flange makes for a strong, sealed connection to the ducting. MSRP: Now: $589.00 Add to Cart Compare Quick view Standard Fan Transition Standard flush-floor fan transition, joining your fan to the flush-floor aeration ducting. A clean, simple connection that gets the air from the fan into the floor system. MSRP: Now: $570.00 Add to Cart Compare Quick view Caldwell Y Fan Transition Y fan transition for connecting your fan to a Y aeration setup. It mates the fan outlet to the ducting so air moves smoothly into the system with no awkward gaps. MSRP: Now: $527.00 Add to Cart Compare Quick view Flush Floor Y The Y fitting for your flush-floor aeration system, splitting airflow into two directions beneath the floor. Built to tie cleanly into the rest of your flush-floor components. MSRP: Now: $575.00 Add to Cart Compare Compare Selected × OK
Quick view Details Standard Fan Transition MSRP: Now: $570.00 Add to Cart Compare Quick view Details Caldwell Y Fan Transition MSRP: Now: $527.00 Add to Cart Compare Quick view Details Flush Floor Y MSRP: Now: $575.00 Add to Cart Compare Quick view Caldwell Solid End Plate Solid end plate to close off the end of your flush-floor aeration channel. Keeps grain out and directs airflow back into the system where it belongs. MSRP: Now: $21.00 Add to Cart Compare Quick view Caldwell Corrugated-Solid 18 Guage Floor Sheet (20" x 45") Corrugated, solid 18-gauge floor sheet measuring 20" x 45", for the areas of your flush-floor system where you don't want airflow. The corrugated profile keeps it strong underfoot. MSRP: Now: $52.00 Add to Cart Compare Quick view Caldwell Corrugated-Perforated 18 Guage Floor Sheet (20" x 45") Corrugated, perforated 18-gauge floor sheet for flush-floor aeration systems. The perforations let air flow up into the grain while the corrugated profile carries the load. Sheets measure 20" x 45". MSRP: Now: $39.00 Add to Cart Compare Quick view Caldwell Flush floor Concrete Form Flush-floor concrete form for pouring the foundation channels of your flush-floor aeration system. It shapes the concrete so your ducting and floor sit right when the pour cures. MSRP: Now: $32.00 Choose Options Compare Quick view Caldwell 18" Raised Y Fan Transition with Angle Ring Flange 18" raised Y fan transition with an angle ring flange, sized for larger fans and ducting. It raises and splits the airflow into a Y, with the angle ring flange giving you a tight, dependable seal. MSRP: Now: $603.00 Add to Cart Compare Quick view Caldwell 12" Raised Y Fan Transition with Angle Ring Flange 12" raised Y fan transition with an angle ring flange, built to lift and split your fan's airflow into a Y configuration. The angle ring flange makes for a strong, sealed connection to the ducting. MSRP: Now: $589.00 Add to Cart Compare Quick view Standard Fan Transition Standard flush-floor fan transition, joining your fan to the flush-floor aeration ducting. A clean, simple connection that gets the air from the fan into the floor system. MSRP: Now: $570.00 Add to Cart Compare Quick view Caldwell Y Fan Transition Y fan transition for connecting your fan to a Y aeration setup. It mates the fan outlet to the ducting so air moves smoothly into the system with no awkward gaps. MSRP: Now: $527.00 Add to Cart Compare Quick view Flush Floor Y The Y fitting for your flush-floor aeration system, splitting airflow into two directions beneath the floor. Built to tie cleanly into the rest of your flush-floor components. MSRP: Now: $575.00 Add to Cart Compare Compare Selected × OK
Quick view Details Caldwell Y Fan Transition MSRP: Now: $527.00 Add to Cart Compare Quick view Details Flush Floor Y MSRP: Now: $575.00 Add to Cart Compare Quick view Caldwell Solid End Plate Solid end plate to close off the end of your flush-floor aeration channel. Keeps grain out and directs airflow back into the system where it belongs. MSRP: Now: $21.00 Add to Cart Compare Quick view Caldwell Corrugated-Solid 18 Guage Floor Sheet (20" x 45") Corrugated, solid 18-gauge floor sheet measuring 20" x 45", for the areas of your flush-floor system where you don't want airflow. The corrugated profile keeps it strong underfoot. MSRP: Now: $52.00 Add to Cart Compare Quick view Caldwell Corrugated-Perforated 18 Guage Floor Sheet (20" x 45") Corrugated, perforated 18-gauge floor sheet for flush-floor aeration systems. The perforations let air flow up into the grain while the corrugated profile carries the load. Sheets measure 20" x 45". MSRP: Now: $39.00 Add to Cart Compare Quick view Caldwell Flush floor Concrete Form Flush-floor concrete form for pouring the foundation channels of your flush-floor aeration system. It shapes the concrete so your ducting and floor sit right when the pour cures. MSRP: Now: $32.00 Choose Options Compare Quick view Caldwell 18" Raised Y Fan Transition with Angle Ring Flange 18" raised Y fan transition with an angle ring flange, sized for larger fans and ducting. It raises and splits the airflow into a Y, with the angle ring flange giving you a tight, dependable seal. MSRP: Now: $603.00 Add to Cart Compare Quick view Caldwell 12" Raised Y Fan Transition with Angle Ring Flange 12" raised Y fan transition with an angle ring flange, built to lift and split your fan's airflow into a Y configuration. The angle ring flange makes for a strong, sealed connection to the ducting. MSRP: Now: $589.00 Add to Cart Compare Quick view Standard Fan Transition Standard flush-floor fan transition, joining your fan to the flush-floor aeration ducting. A clean, simple connection that gets the air from the fan into the floor system. MSRP: Now: $570.00 Add to Cart Compare Quick view Caldwell Y Fan Transition Y fan transition for connecting your fan to a Y aeration setup. It mates the fan outlet to the ducting so air moves smoothly into the system with no awkward gaps. MSRP: Now: $527.00 Add to Cart Compare Quick view Flush Floor Y The Y fitting for your flush-floor aeration system, splitting airflow into two directions beneath the floor. Built to tie cleanly into the rest of your flush-floor components. MSRP: Now: $575.00 Add to Cart Compare Compare Selected × OK
Quick view Details Flush Floor Y MSRP: Now: $575.00 Add to Cart Compare Quick view Caldwell Solid End Plate Solid end plate to close off the end of your flush-floor aeration channel. Keeps grain out and directs airflow back into the system where it belongs. MSRP: Now: $21.00 Add to Cart Compare Quick view Caldwell Corrugated-Solid 18 Guage Floor Sheet (20" x 45") Corrugated, solid 18-gauge floor sheet measuring 20" x 45", for the areas of your flush-floor system where you don't want airflow. The corrugated profile keeps it strong underfoot. MSRP: Now: $52.00 Add to Cart Compare Quick view Caldwell Corrugated-Perforated 18 Guage Floor Sheet (20" x 45") Corrugated, perforated 18-gauge floor sheet for flush-floor aeration systems. The perforations let air flow up into the grain while the corrugated profile carries the load. Sheets measure 20" x 45". MSRP: Now: $39.00 Add to Cart Compare Quick view Caldwell Flush floor Concrete Form Flush-floor concrete form for pouring the foundation channels of your flush-floor aeration system. It shapes the concrete so your ducting and floor sit right when the pour cures. MSRP: Now: $32.00 Choose Options Compare Quick view Caldwell 18" Raised Y Fan Transition with Angle Ring Flange 18" raised Y fan transition with an angle ring flange, sized for larger fans and ducting. It raises and splits the airflow into a Y, with the angle ring flange giving you a tight, dependable seal. MSRP: Now: $603.00 Add to Cart Compare Quick view Caldwell 12" Raised Y Fan Transition with Angle Ring Flange 12" raised Y fan transition with an angle ring flange, built to lift and split your fan's airflow into a Y configuration. The angle ring flange makes for a strong, sealed connection to the ducting. MSRP: Now: $589.00 Add to Cart Compare Quick view Standard Fan Transition Standard flush-floor fan transition, joining your fan to the flush-floor aeration ducting. A clean, simple connection that gets the air from the fan into the floor system. MSRP: Now: $570.00 Add to Cart Compare Quick view Caldwell Y Fan Transition Y fan transition for connecting your fan to a Y aeration setup. It mates the fan outlet to the ducting so air moves smoothly into the system with no awkward gaps. MSRP: Now: $527.00 Add to Cart Compare Quick view Flush Floor Y The Y fitting for your flush-floor aeration system, splitting airflow into two directions beneath the floor. Built to tie cleanly into the rest of your flush-floor components. MSRP: Now: $575.00 Add to Cart Compare Compare Selected × OK
Quick view Caldwell Solid End Plate Solid end plate to close off the end of your flush-floor aeration channel. Keeps grain out and directs airflow back into the system where it belongs. MSRP: Now: $21.00 Add to Cart Compare Quick view Caldwell Corrugated-Solid 18 Guage Floor Sheet (20" x 45") Corrugated, solid 18-gauge floor sheet measuring 20" x 45", for the areas of your flush-floor system where you don't want airflow. The corrugated profile keeps it strong underfoot. MSRP: Now: $52.00 Add to Cart Compare Quick view Caldwell Corrugated-Perforated 18 Guage Floor Sheet (20" x 45") Corrugated, perforated 18-gauge floor sheet for flush-floor aeration systems. The perforations let air flow up into the grain while the corrugated profile carries the load. Sheets measure 20" x 45". MSRP: Now: $39.00 Add to Cart Compare Quick view Caldwell Flush floor Concrete Form Flush-floor concrete form for pouring the foundation channels of your flush-floor aeration system. It shapes the concrete so your ducting and floor sit right when the pour cures. MSRP: Now: $32.00 Choose Options Compare Quick view Caldwell 18" Raised Y Fan Transition with Angle Ring Flange 18" raised Y fan transition with an angle ring flange, sized for larger fans and ducting. It raises and splits the airflow into a Y, with the angle ring flange giving you a tight, dependable seal. MSRP: Now: $603.00 Add to Cart Compare Quick view Caldwell 12" Raised Y Fan Transition with Angle Ring Flange 12" raised Y fan transition with an angle ring flange, built to lift and split your fan's airflow into a Y configuration. The angle ring flange makes for a strong, sealed connection to the ducting. MSRP: Now: $589.00 Add to Cart Compare Quick view Standard Fan Transition Standard flush-floor fan transition, joining your fan to the flush-floor aeration ducting. A clean, simple connection that gets the air from the fan into the floor system. MSRP: Now: $570.00 Add to Cart Compare Quick view Caldwell Y Fan Transition Y fan transition for connecting your fan to a Y aeration setup. It mates the fan outlet to the ducting so air moves smoothly into the system with no awkward gaps. MSRP: Now: $527.00 Add to Cart Compare Quick view Flush Floor Y The Y fitting for your flush-floor aeration system, splitting airflow into two directions beneath the floor. Built to tie cleanly into the rest of your flush-floor components. MSRP: Now: $575.00 Add to Cart Compare Compare Selected × OK
Quick view Caldwell Corrugated-Solid 18 Guage Floor Sheet (20" x 45") Corrugated, solid 18-gauge floor sheet measuring 20" x 45", for the areas of your flush-floor system where you don't want airflow. The corrugated profile keeps it strong underfoot. MSRP: Now: $52.00 Add to Cart Compare Quick view Caldwell Corrugated-Perforated 18 Guage Floor Sheet (20" x 45") Corrugated, perforated 18-gauge floor sheet for flush-floor aeration systems. The perforations let air flow up into the grain while the corrugated profile carries the load. Sheets measure 20" x 45". MSRP: Now: $39.00 Add to Cart Compare Quick view Caldwell Flush floor Concrete Form Flush-floor concrete form for pouring the foundation channels of your flush-floor aeration system. It shapes the concrete so your ducting and floor sit right when the pour cures. MSRP: Now: $32.00 Choose Options Compare Quick view Caldwell 18" Raised Y Fan Transition with Angle Ring Flange 18" raised Y fan transition with an angle ring flange, sized for larger fans and ducting. It raises and splits the airflow into a Y, with the angle ring flange giving you a tight, dependable seal. MSRP: Now: $603.00 Add to Cart Compare Quick view Caldwell 12" Raised Y Fan Transition with Angle Ring Flange 12" raised Y fan transition with an angle ring flange, built to lift and split your fan's airflow into a Y configuration. The angle ring flange makes for a strong, sealed connection to the ducting. MSRP: Now: $589.00 Add to Cart Compare Quick view Standard Fan Transition Standard flush-floor fan transition, joining your fan to the flush-floor aeration ducting. A clean, simple connection that gets the air from the fan into the floor system. MSRP: Now: $570.00 Add to Cart Compare Quick view Caldwell Y Fan Transition Y fan transition for connecting your fan to a Y aeration setup. It mates the fan outlet to the ducting so air moves smoothly into the system with no awkward gaps. MSRP: Now: $527.00 Add to Cart Compare Quick view Flush Floor Y The Y fitting for your flush-floor aeration system, splitting airflow into two directions beneath the floor. Built to tie cleanly into the rest of your flush-floor components. MSRP: Now: $575.00 Add to Cart Compare Compare Selected × OK
Quick view Caldwell Corrugated-Perforated 18 Guage Floor Sheet (20" x 45") Corrugated, perforated 18-gauge floor sheet for flush-floor aeration systems. The perforations let air flow up into the grain while the corrugated profile carries the load. Sheets measure 20" x 45". MSRP: Now: $39.00 Add to Cart Compare Quick view Caldwell Flush floor Concrete Form Flush-floor concrete form for pouring the foundation channels of your flush-floor aeration system. It shapes the concrete so your ducting and floor sit right when the pour cures. MSRP: Now: $32.00 Choose Options Compare Quick view Caldwell 18" Raised Y Fan Transition with Angle Ring Flange 18" raised Y fan transition with an angle ring flange, sized for larger fans and ducting. It raises and splits the airflow into a Y, with the angle ring flange giving you a tight, dependable seal. MSRP: Now: $603.00 Add to Cart Compare Quick view Caldwell 12" Raised Y Fan Transition with Angle Ring Flange 12" raised Y fan transition with an angle ring flange, built to lift and split your fan's airflow into a Y configuration. The angle ring flange makes for a strong, sealed connection to the ducting. MSRP: Now: $589.00 Add to Cart Compare Quick view Standard Fan Transition Standard flush-floor fan transition, joining your fan to the flush-floor aeration ducting. A clean, simple connection that gets the air from the fan into the floor system. MSRP: Now: $570.00 Add to Cart Compare Quick view Caldwell Y Fan Transition Y fan transition for connecting your fan to a Y aeration setup. It mates the fan outlet to the ducting so air moves smoothly into the system with no awkward gaps. MSRP: Now: $527.00 Add to Cart Compare Quick view Flush Floor Y The Y fitting for your flush-floor aeration system, splitting airflow into two directions beneath the floor. Built to tie cleanly into the rest of your flush-floor components. MSRP: Now: $575.00 Add to Cart Compare Compare Selected × OK
Quick view Caldwell Flush floor Concrete Form Flush-floor concrete form for pouring the foundation channels of your flush-floor aeration system. It shapes the concrete so your ducting and floor sit right when the pour cures. MSRP: Now: $32.00 Choose Options Compare Quick view Caldwell 18" Raised Y Fan Transition with Angle Ring Flange 18" raised Y fan transition with an angle ring flange, sized for larger fans and ducting. It raises and splits the airflow into a Y, with the angle ring flange giving you a tight, dependable seal. MSRP: Now: $603.00 Add to Cart Compare Quick view Caldwell 12" Raised Y Fan Transition with Angle Ring Flange 12" raised Y fan transition with an angle ring flange, built to lift and split your fan's airflow into a Y configuration. The angle ring flange makes for a strong, sealed connection to the ducting. MSRP: Now: $589.00 Add to Cart Compare Quick view Standard Fan Transition Standard flush-floor fan transition, joining your fan to the flush-floor aeration ducting. A clean, simple connection that gets the air from the fan into the floor system. MSRP: Now: $570.00 Add to Cart Compare Quick view Caldwell Y Fan Transition Y fan transition for connecting your fan to a Y aeration setup. It mates the fan outlet to the ducting so air moves smoothly into the system with no awkward gaps. MSRP: Now: $527.00 Add to Cart Compare Quick view Flush Floor Y The Y fitting for your flush-floor aeration system, splitting airflow into two directions beneath the floor. Built to tie cleanly into the rest of your flush-floor components. MSRP: Now: $575.00 Add to Cart Compare Compare Selected × OK
Quick view Caldwell 18" Raised Y Fan Transition with Angle Ring Flange 18" raised Y fan transition with an angle ring flange, sized for larger fans and ducting. It raises and splits the airflow into a Y, with the angle ring flange giving you a tight, dependable seal. MSRP: Now: $603.00 Add to Cart Compare Quick view Caldwell 12" Raised Y Fan Transition with Angle Ring Flange 12" raised Y fan transition with an angle ring flange, built to lift and split your fan's airflow into a Y configuration. The angle ring flange makes for a strong, sealed connection to the ducting. MSRP: Now: $589.00 Add to Cart Compare Quick view Standard Fan Transition Standard flush-floor fan transition, joining your fan to the flush-floor aeration ducting. A clean, simple connection that gets the air from the fan into the floor system. MSRP: Now: $570.00 Add to Cart Compare Quick view Caldwell Y Fan Transition Y fan transition for connecting your fan to a Y aeration setup. It mates the fan outlet to the ducting so air moves smoothly into the system with no awkward gaps. MSRP: Now: $527.00 Add to Cart Compare Quick view Flush Floor Y The Y fitting for your flush-floor aeration system, splitting airflow into two directions beneath the floor. Built to tie cleanly into the rest of your flush-floor components. MSRP: Now: $575.00 Add to Cart Compare Compare Selected × OK
Quick view Caldwell 12" Raised Y Fan Transition with Angle Ring Flange 12" raised Y fan transition with an angle ring flange, built to lift and split your fan's airflow into a Y configuration. The angle ring flange makes for a strong, sealed connection to the ducting. MSRP: Now: $589.00 Add to Cart Compare Quick view Standard Fan Transition Standard flush-floor fan transition, joining your fan to the flush-floor aeration ducting. A clean, simple connection that gets the air from the fan into the floor system. MSRP: Now: $570.00 Add to Cart Compare Quick view Caldwell Y Fan Transition Y fan transition for connecting your fan to a Y aeration setup. It mates the fan outlet to the ducting so air moves smoothly into the system with no awkward gaps. MSRP: Now: $527.00 Add to Cart Compare Quick view Flush Floor Y The Y fitting for your flush-floor aeration system, splitting airflow into two directions beneath the floor. Built to tie cleanly into the rest of your flush-floor components. MSRP: Now: $575.00 Add to Cart Compare Compare Selected × OK
Quick view Standard Fan Transition Standard flush-floor fan transition, joining your fan to the flush-floor aeration ducting. A clean, simple connection that gets the air from the fan into the floor system. MSRP: Now: $570.00 Add to Cart Compare Quick view Caldwell Y Fan Transition Y fan transition for connecting your fan to a Y aeration setup. It mates the fan outlet to the ducting so air moves smoothly into the system with no awkward gaps. MSRP: Now: $527.00 Add to Cart Compare Quick view Flush Floor Y The Y fitting for your flush-floor aeration system, splitting airflow into two directions beneath the floor. Built to tie cleanly into the rest of your flush-floor components. MSRP: Now: $575.00 Add to Cart Compare Compare Selected × OK
Quick view Caldwell Y Fan Transition Y fan transition for connecting your fan to a Y aeration setup. It mates the fan outlet to the ducting so air moves smoothly into the system with no awkward gaps. MSRP: Now: $527.00 Add to Cart Compare Quick view Flush Floor Y The Y fitting for your flush-floor aeration system, splitting airflow into two directions beneath the floor. Built to tie cleanly into the rest of your flush-floor components. MSRP: Now: $575.00 Add to Cart Compare Compare Selected
Quick view Flush Floor Y The Y fitting for your flush-floor aeration system, splitting airflow into two directions beneath the floor. Built to tie cleanly into the rest of your flush-floor components. MSRP: Now: $575.00 Add to Cart Compare Compare Selected