Quick view Details Caldwell 12" 4-Way Cross MSRP: Now: $420.00 Add to Cart Compare Quick view Details Caldwell 12" Y-Box MSRP: Now: $406.00 Add to Cart Compare Quick view Details 12" Perforated End Cap MSRP: Now: $13.00 Add to Cart Compare Quick view Details Caldwell 12" Solid End Cap MSRP: Now: $18.00 Add to Cart Compare Quick view Details Caldwell 12" Reinforcement Ring MSRP: Now: $21.00 Add to Cart Compare Quick view Details Caldwell 12" Perforated Duct - 4' Long - 20 Guage - Interlocking Seam MSRP: Now: $73.00 Add to Cart Compare Quick view Details Caldwell 12" Solid Duct - 4' Long - 22 Gauge - Interlocking Seam MSRP: Now: $58.00 Add to Cart Compare Quick view Details Caldwell 12" Flanged Wall Inlet Adaptor (Slips into 12' Fan) MSRP: Now: $107.00 Add to Cart Compare Quick view Caldwell 12" 4-Way Cross 12" four-way cross for sending aeration airflow in four directions from a single point. Ideal for laying out even coverage across a bigger bin floor. MSRP: Now: $420.00 Add to Cart Compare Quick view Caldwell 12" Y-Box 12" Y-box for splitting a single aeration duct run into two directions. A handy fitting when you need to branch your airflow across a larger bin floor. MSRP: Now: $406.00 Add to Cart Compare Quick view 12" Perforated End Cap 12" perforated end cap for the end of a perforated aeration duct. It lets air keep flowing out into the grain right to the very end of the run instead of dead-ending the airflow. MSRP: Now: $13.00 Add to Cart Compare Quick view Caldwell 12" Solid End Cap 12" solid end cap to close off the end of a solid aeration duct run. Keeps grain out and air in, finishing your ducting line cleanly. MSRP: Now: $18.00 Add to Cart Compare Quick view Caldwell 12" Reinforcement Ring 12" reinforcement ring, sold one per pack and finished in black. You'll want two of these for each solid or perforated duct section to keep the ducting round and rigid under the weight of the grain. MSRP: Now: $21.00 Add to Cart Compare Quick view Caldwell 12" Perforated Duct - 4' Long - 20 Guage - Interlocking Seam 12" perforated aeration duct, 4 feet long, in 20-gauge steel with an interlocking seam. The perforations let air escape evenly into the grain, so you get good, consistent aeration the length of the run. MSRP: Now: $73.00 Add to Cart Compare Quick view Caldwell 12" Solid Duct - 4' Long - 22 Gauge - Interlocking Seam 12" solid aeration duct, 4 feet long, in durable 22-gauge steel with an interlocking seam that snaps together for a strong, leak-resistant run. Use the solid sections to carry air where you don't want it escaping into the grain. MSRP: Now: $58.00 Add to Cart Compare Quick view Caldwell 12" Flanged Wall Inlet Adaptor (Slips into 12' Fan) 12" flanged wall inlet adaptor, made to slip neatly into a 12" fan. It mounts through the bin wall and gives your fan a clean, sealed connection to the aeration ducting inside. MSRP: Now: $107.00 Add to Cart Compare Compare Selected × OK
Quick view Details Caldwell 12" Y-Box MSRP: Now: $406.00 Add to Cart Compare Quick view Details 12" Perforated End Cap MSRP: Now: $13.00 Add to Cart Compare Quick view Details Caldwell 12" Solid End Cap MSRP: Now: $18.00 Add to Cart Compare Quick view Details Caldwell 12" Reinforcement Ring MSRP: Now: $21.00 Add to Cart Compare Quick view Details Caldwell 12" Perforated Duct - 4' Long - 20 Guage - Interlocking Seam MSRP: Now: $73.00 Add to Cart Compare Quick view Details Caldwell 12" Solid Duct - 4' Long - 22 Gauge - Interlocking Seam MSRP: Now: $58.00 Add to Cart Compare Quick view Details Caldwell 12" Flanged Wall Inlet Adaptor (Slips into 12' Fan) MSRP: Now: $107.00 Add to Cart Compare Quick view Caldwell 12" 4-Way Cross 12" four-way cross for sending aeration airflow in four directions from a single point. Ideal for laying out even coverage across a bigger bin floor. MSRP: Now: $420.00 Add to Cart Compare Quick view Caldwell 12" Y-Box 12" Y-box for splitting a single aeration duct run into two directions. A handy fitting when you need to branch your airflow across a larger bin floor. MSRP: Now: $406.00 Add to Cart Compare Quick view 12" Perforated End Cap 12" perforated end cap for the end of a perforated aeration duct. It lets air keep flowing out into the grain right to the very end of the run instead of dead-ending the airflow. MSRP: Now: $13.00 Add to Cart Compare Quick view Caldwell 12" Solid End Cap 12" solid end cap to close off the end of a solid aeration duct run. Keeps grain out and air in, finishing your ducting line cleanly. MSRP: Now: $18.00 Add to Cart Compare Quick view Caldwell 12" Reinforcement Ring 12" reinforcement ring, sold one per pack and finished in black. You'll want two of these for each solid or perforated duct section to keep the ducting round and rigid under the weight of the grain. MSRP: Now: $21.00 Add to Cart Compare Quick view Caldwell 12" Perforated Duct - 4' Long - 20 Guage - Interlocking Seam 12" perforated aeration duct, 4 feet long, in 20-gauge steel with an interlocking seam. The perforations let air escape evenly into the grain, so you get good, consistent aeration the length of the run. MSRP: Now: $73.00 Add to Cart Compare Quick view Caldwell 12" Solid Duct - 4' Long - 22 Gauge - Interlocking Seam 12" solid aeration duct, 4 feet long, in durable 22-gauge steel with an interlocking seam that snaps together for a strong, leak-resistant run. Use the solid sections to carry air where you don't want it escaping into the grain. MSRP: Now: $58.00 Add to Cart Compare Quick view Caldwell 12" Flanged Wall Inlet Adaptor (Slips into 12' Fan) 12" flanged wall inlet adaptor, made to slip neatly into a 12" fan. It mounts through the bin wall and gives your fan a clean, sealed connection to the aeration ducting inside. MSRP: Now: $107.00 Add to Cart Compare Compare Selected × OK
Quick view Details 12" Perforated End Cap MSRP: Now: $13.00 Add to Cart Compare Quick view Details Caldwell 12" Solid End Cap MSRP: Now: $18.00 Add to Cart Compare Quick view Details Caldwell 12" Reinforcement Ring MSRP: Now: $21.00 Add to Cart Compare Quick view Details Caldwell 12" Perforated Duct - 4' Long - 20 Guage - Interlocking Seam MSRP: Now: $73.00 Add to Cart Compare Quick view Details Caldwell 12" Solid Duct - 4' Long - 22 Gauge - Interlocking Seam MSRP: Now: $58.00 Add to Cart Compare Quick view Details Caldwell 12" Flanged Wall Inlet Adaptor (Slips into 12' Fan) MSRP: Now: $107.00 Add to Cart Compare Quick view Caldwell 12" 4-Way Cross 12" four-way cross for sending aeration airflow in four directions from a single point. Ideal for laying out even coverage across a bigger bin floor. MSRP: Now: $420.00 Add to Cart Compare Quick view Caldwell 12" Y-Box 12" Y-box for splitting a single aeration duct run into two directions. A handy fitting when you need to branch your airflow across a larger bin floor. MSRP: Now: $406.00 Add to Cart Compare Quick view 12" Perforated End Cap 12" perforated end cap for the end of a perforated aeration duct. It lets air keep flowing out into the grain right to the very end of the run instead of dead-ending the airflow. MSRP: Now: $13.00 Add to Cart Compare Quick view Caldwell 12" Solid End Cap 12" solid end cap to close off the end of a solid aeration duct run. Keeps grain out and air in, finishing your ducting line cleanly. MSRP: Now: $18.00 Add to Cart Compare Quick view Caldwell 12" Reinforcement Ring 12" reinforcement ring, sold one per pack and finished in black. You'll want two of these for each solid or perforated duct section to keep the ducting round and rigid under the weight of the grain. MSRP: Now: $21.00 Add to Cart Compare Quick view Caldwell 12" Perforated Duct - 4' Long - 20 Guage - Interlocking Seam 12" perforated aeration duct, 4 feet long, in 20-gauge steel with an interlocking seam. The perforations let air escape evenly into the grain, so you get good, consistent aeration the length of the run. MSRP: Now: $73.00 Add to Cart Compare Quick view Caldwell 12" Solid Duct - 4' Long - 22 Gauge - Interlocking Seam 12" solid aeration duct, 4 feet long, in durable 22-gauge steel with an interlocking seam that snaps together for a strong, leak-resistant run. Use the solid sections to carry air where you don't want it escaping into the grain. MSRP: Now: $58.00 Add to Cart Compare Quick view Caldwell 12" Flanged Wall Inlet Adaptor (Slips into 12' Fan) 12" flanged wall inlet adaptor, made to slip neatly into a 12" fan. It mounts through the bin wall and gives your fan a clean, sealed connection to the aeration ducting inside. MSRP: Now: $107.00 Add to Cart Compare Compare Selected × OK
Quick view Details Caldwell 12" Solid End Cap MSRP: Now: $18.00 Add to Cart Compare Quick view Details Caldwell 12" Reinforcement Ring MSRP: Now: $21.00 Add to Cart Compare Quick view Details Caldwell 12" Perforated Duct - 4' Long - 20 Guage - Interlocking Seam MSRP: Now: $73.00 Add to Cart Compare Quick view Details Caldwell 12" Solid Duct - 4' Long - 22 Gauge - Interlocking Seam MSRP: Now: $58.00 Add to Cart Compare Quick view Details Caldwell 12" Flanged Wall Inlet Adaptor (Slips into 12' Fan) MSRP: Now: $107.00 Add to Cart Compare Quick view Caldwell 12" 4-Way Cross 12" four-way cross for sending aeration airflow in four directions from a single point. Ideal for laying out even coverage across a bigger bin floor. MSRP: Now: $420.00 Add to Cart Compare Quick view Caldwell 12" Y-Box 12" Y-box for splitting a single aeration duct run into two directions. A handy fitting when you need to branch your airflow across a larger bin floor. MSRP: Now: $406.00 Add to Cart Compare Quick view 12" Perforated End Cap 12" perforated end cap for the end of a perforated aeration duct. It lets air keep flowing out into the grain right to the very end of the run instead of dead-ending the airflow. MSRP: Now: $13.00 Add to Cart Compare Quick view Caldwell 12" Solid End Cap 12" solid end cap to close off the end of a solid aeration duct run. Keeps grain out and air in, finishing your ducting line cleanly. MSRP: Now: $18.00 Add to Cart Compare Quick view Caldwell 12" Reinforcement Ring 12" reinforcement ring, sold one per pack and finished in black. You'll want two of these for each solid or perforated duct section to keep the ducting round and rigid under the weight of the grain. MSRP: Now: $21.00 Add to Cart Compare Quick view Caldwell 12" Perforated Duct - 4' Long - 20 Guage - Interlocking Seam 12" perforated aeration duct, 4 feet long, in 20-gauge steel with an interlocking seam. The perforations let air escape evenly into the grain, so you get good, consistent aeration the length of the run. MSRP: Now: $73.00 Add to Cart Compare Quick view Caldwell 12" Solid Duct - 4' Long - 22 Gauge - Interlocking Seam 12" solid aeration duct, 4 feet long, in durable 22-gauge steel with an interlocking seam that snaps together for a strong, leak-resistant run. Use the solid sections to carry air where you don't want it escaping into the grain. MSRP: Now: $58.00 Add to Cart Compare Quick view Caldwell 12" Flanged Wall Inlet Adaptor (Slips into 12' Fan) 12" flanged wall inlet adaptor, made to slip neatly into a 12" fan. It mounts through the bin wall and gives your fan a clean, sealed connection to the aeration ducting inside. MSRP: Now: $107.00 Add to Cart Compare Compare Selected × OK
Quick view Details Caldwell 12" Reinforcement Ring MSRP: Now: $21.00 Add to Cart Compare Quick view Details Caldwell 12" Perforated Duct - 4' Long - 20 Guage - Interlocking Seam MSRP: Now: $73.00 Add to Cart Compare Quick view Details Caldwell 12" Solid Duct - 4' Long - 22 Gauge - Interlocking Seam MSRP: Now: $58.00 Add to Cart Compare Quick view Details Caldwell 12" Flanged Wall Inlet Adaptor (Slips into 12' Fan) MSRP: Now: $107.00 Add to Cart Compare Quick view Caldwell 12" 4-Way Cross 12" four-way cross for sending aeration airflow in four directions from a single point. Ideal for laying out even coverage across a bigger bin floor. MSRP: Now: $420.00 Add to Cart Compare Quick view Caldwell 12" Y-Box 12" Y-box for splitting a single aeration duct run into two directions. A handy fitting when you need to branch your airflow across a larger bin floor. MSRP: Now: $406.00 Add to Cart Compare Quick view 12" Perforated End Cap 12" perforated end cap for the end of a perforated aeration duct. It lets air keep flowing out into the grain right to the very end of the run instead of dead-ending the airflow. MSRP: Now: $13.00 Add to Cart Compare Quick view Caldwell 12" Solid End Cap 12" solid end cap to close off the end of a solid aeration duct run. Keeps grain out and air in, finishing your ducting line cleanly. MSRP: Now: $18.00 Add to Cart Compare Quick view Caldwell 12" Reinforcement Ring 12" reinforcement ring, sold one per pack and finished in black. You'll want two of these for each solid or perforated duct section to keep the ducting round and rigid under the weight of the grain. MSRP: Now: $21.00 Add to Cart Compare Quick view Caldwell 12" Perforated Duct - 4' Long - 20 Guage - Interlocking Seam 12" perforated aeration duct, 4 feet long, in 20-gauge steel with an interlocking seam. The perforations let air escape evenly into the grain, so you get good, consistent aeration the length of the run. MSRP: Now: $73.00 Add to Cart Compare Quick view Caldwell 12" Solid Duct - 4' Long - 22 Gauge - Interlocking Seam 12" solid aeration duct, 4 feet long, in durable 22-gauge steel with an interlocking seam that snaps together for a strong, leak-resistant run. Use the solid sections to carry air where you don't want it escaping into the grain. MSRP: Now: $58.00 Add to Cart Compare Quick view Caldwell 12" Flanged Wall Inlet Adaptor (Slips into 12' Fan) 12" flanged wall inlet adaptor, made to slip neatly into a 12" fan. It mounts through the bin wall and gives your fan a clean, sealed connection to the aeration ducting inside. MSRP: Now: $107.00 Add to Cart Compare Compare Selected × OK
Quick view Details Caldwell 12" Perforated Duct - 4' Long - 20 Guage - Interlocking Seam MSRP: Now: $73.00 Add to Cart Compare Quick view Details Caldwell 12" Solid Duct - 4' Long - 22 Gauge - Interlocking Seam MSRP: Now: $58.00 Add to Cart Compare Quick view Details Caldwell 12" Flanged Wall Inlet Adaptor (Slips into 12' Fan) MSRP: Now: $107.00 Add to Cart Compare Quick view Caldwell 12" 4-Way Cross 12" four-way cross for sending aeration airflow in four directions from a single point. Ideal for laying out even coverage across a bigger bin floor. MSRP: Now: $420.00 Add to Cart Compare Quick view Caldwell 12" Y-Box 12" Y-box for splitting a single aeration duct run into two directions. A handy fitting when you need to branch your airflow across a larger bin floor. MSRP: Now: $406.00 Add to Cart Compare Quick view 12" Perforated End Cap 12" perforated end cap for the end of a perforated aeration duct. It lets air keep flowing out into the grain right to the very end of the run instead of dead-ending the airflow. MSRP: Now: $13.00 Add to Cart Compare Quick view Caldwell 12" Solid End Cap 12" solid end cap to close off the end of a solid aeration duct run. Keeps grain out and air in, finishing your ducting line cleanly. MSRP: Now: $18.00 Add to Cart Compare Quick view Caldwell 12" Reinforcement Ring 12" reinforcement ring, sold one per pack and finished in black. You'll want two of these for each solid or perforated duct section to keep the ducting round and rigid under the weight of the grain. MSRP: Now: $21.00 Add to Cart Compare Quick view Caldwell 12" Perforated Duct - 4' Long - 20 Guage - Interlocking Seam 12" perforated aeration duct, 4 feet long, in 20-gauge steel with an interlocking seam. The perforations let air escape evenly into the grain, so you get good, consistent aeration the length of the run. MSRP: Now: $73.00 Add to Cart Compare Quick view Caldwell 12" Solid Duct - 4' Long - 22 Gauge - Interlocking Seam 12" solid aeration duct, 4 feet long, in durable 22-gauge steel with an interlocking seam that snaps together for a strong, leak-resistant run. Use the solid sections to carry air where you don't want it escaping into the grain. MSRP: Now: $58.00 Add to Cart Compare Quick view Caldwell 12" Flanged Wall Inlet Adaptor (Slips into 12' Fan) 12" flanged wall inlet adaptor, made to slip neatly into a 12" fan. It mounts through the bin wall and gives your fan a clean, sealed connection to the aeration ducting inside. MSRP: Now: $107.00 Add to Cart Compare Compare Selected × OK
Quick view Details Caldwell 12" Solid Duct - 4' Long - 22 Gauge - Interlocking Seam MSRP: Now: $58.00 Add to Cart Compare Quick view Details Caldwell 12" Flanged Wall Inlet Adaptor (Slips into 12' Fan) MSRP: Now: $107.00 Add to Cart Compare Quick view Caldwell 12" 4-Way Cross 12" four-way cross for sending aeration airflow in four directions from a single point. Ideal for laying out even coverage across a bigger bin floor. MSRP: Now: $420.00 Add to Cart Compare Quick view Caldwell 12" Y-Box 12" Y-box for splitting a single aeration duct run into two directions. A handy fitting when you need to branch your airflow across a larger bin floor. MSRP: Now: $406.00 Add to Cart Compare Quick view 12" Perforated End Cap 12" perforated end cap for the end of a perforated aeration duct. It lets air keep flowing out into the grain right to the very end of the run instead of dead-ending the airflow. MSRP: Now: $13.00 Add to Cart Compare Quick view Caldwell 12" Solid End Cap 12" solid end cap to close off the end of a solid aeration duct run. Keeps grain out and air in, finishing your ducting line cleanly. MSRP: Now: $18.00 Add to Cart Compare Quick view Caldwell 12" Reinforcement Ring 12" reinforcement ring, sold one per pack and finished in black. You'll want two of these for each solid or perforated duct section to keep the ducting round and rigid under the weight of the grain. MSRP: Now: $21.00 Add to Cart Compare Quick view Caldwell 12" Perforated Duct - 4' Long - 20 Guage - Interlocking Seam 12" perforated aeration duct, 4 feet long, in 20-gauge steel with an interlocking seam. The perforations let air escape evenly into the grain, so you get good, consistent aeration the length of the run. MSRP: Now: $73.00 Add to Cart Compare Quick view Caldwell 12" Solid Duct - 4' Long - 22 Gauge - Interlocking Seam 12" solid aeration duct, 4 feet long, in durable 22-gauge steel with an interlocking seam that snaps together for a strong, leak-resistant run. Use the solid sections to carry air where you don't want it escaping into the grain. MSRP: Now: $58.00 Add to Cart Compare Quick view Caldwell 12" Flanged Wall Inlet Adaptor (Slips into 12' Fan) 12" flanged wall inlet adaptor, made to slip neatly into a 12" fan. It mounts through the bin wall and gives your fan a clean, sealed connection to the aeration ducting inside. MSRP: Now: $107.00 Add to Cart Compare Compare Selected × OK
Quick view Details Caldwell 12" Flanged Wall Inlet Adaptor (Slips into 12' Fan) MSRP: Now: $107.00 Add to Cart Compare Quick view Caldwell 12" 4-Way Cross 12" four-way cross for sending aeration airflow in four directions from a single point. Ideal for laying out even coverage across a bigger bin floor. MSRP: Now: $420.00 Add to Cart Compare Quick view Caldwell 12" Y-Box 12" Y-box for splitting a single aeration duct run into two directions. A handy fitting when you need to branch your airflow across a larger bin floor. MSRP: Now: $406.00 Add to Cart Compare Quick view 12" Perforated End Cap 12" perforated end cap for the end of a perforated aeration duct. It lets air keep flowing out into the grain right to the very end of the run instead of dead-ending the airflow. MSRP: Now: $13.00 Add to Cart Compare Quick view Caldwell 12" Solid End Cap 12" solid end cap to close off the end of a solid aeration duct run. Keeps grain out and air in, finishing your ducting line cleanly. MSRP: Now: $18.00 Add to Cart Compare Quick view Caldwell 12" Reinforcement Ring 12" reinforcement ring, sold one per pack and finished in black. You'll want two of these for each solid or perforated duct section to keep the ducting round and rigid under the weight of the grain. MSRP: Now: $21.00 Add to Cart Compare Quick view Caldwell 12" Perforated Duct - 4' Long - 20 Guage - Interlocking Seam 12" perforated aeration duct, 4 feet long, in 20-gauge steel with an interlocking seam. The perforations let air escape evenly into the grain, so you get good, consistent aeration the length of the run. MSRP: Now: $73.00 Add to Cart Compare Quick view Caldwell 12" Solid Duct - 4' Long - 22 Gauge - Interlocking Seam 12" solid aeration duct, 4 feet long, in durable 22-gauge steel with an interlocking seam that snaps together for a strong, leak-resistant run. Use the solid sections to carry air where you don't want it escaping into the grain. MSRP: Now: $58.00 Add to Cart Compare Quick view Caldwell 12" Flanged Wall Inlet Adaptor (Slips into 12' Fan) 12" flanged wall inlet adaptor, made to slip neatly into a 12" fan. It mounts through the bin wall and gives your fan a clean, sealed connection to the aeration ducting inside. MSRP: Now: $107.00 Add to Cart Compare Compare Selected × OK
Quick view Caldwell 12" 4-Way Cross 12" four-way cross for sending aeration airflow in four directions from a single point. Ideal for laying out even coverage across a bigger bin floor. MSRP: Now: $420.00 Add to Cart Compare Quick view Caldwell 12" Y-Box 12" Y-box for splitting a single aeration duct run into two directions. A handy fitting when you need to branch your airflow across a larger bin floor. MSRP: Now: $406.00 Add to Cart Compare Quick view 12" Perforated End Cap 12" perforated end cap for the end of a perforated aeration duct. It lets air keep flowing out into the grain right to the very end of the run instead of dead-ending the airflow. MSRP: Now: $13.00 Add to Cart Compare Quick view Caldwell 12" Solid End Cap 12" solid end cap to close off the end of a solid aeration duct run. Keeps grain out and air in, finishing your ducting line cleanly. MSRP: Now: $18.00 Add to Cart Compare Quick view Caldwell 12" Reinforcement Ring 12" reinforcement ring, sold one per pack and finished in black. You'll want two of these for each solid or perforated duct section to keep the ducting round and rigid under the weight of the grain. MSRP: Now: $21.00 Add to Cart Compare Quick view Caldwell 12" Perforated Duct - 4' Long - 20 Guage - Interlocking Seam 12" perforated aeration duct, 4 feet long, in 20-gauge steel with an interlocking seam. The perforations let air escape evenly into the grain, so you get good, consistent aeration the length of the run. MSRP: Now: $73.00 Add to Cart Compare Quick view Caldwell 12" Solid Duct - 4' Long - 22 Gauge - Interlocking Seam 12" solid aeration duct, 4 feet long, in durable 22-gauge steel with an interlocking seam that snaps together for a strong, leak-resistant run. Use the solid sections to carry air where you don't want it escaping into the grain. MSRP: Now: $58.00 Add to Cart Compare Quick view Caldwell 12" Flanged Wall Inlet Adaptor (Slips into 12' Fan) 12" flanged wall inlet adaptor, made to slip neatly into a 12" fan. It mounts through the bin wall and gives your fan a clean, sealed connection to the aeration ducting inside. MSRP: Now: $107.00 Add to Cart Compare Compare Selected × OK
Quick view Caldwell 12" Y-Box 12" Y-box for splitting a single aeration duct run into two directions. A handy fitting when you need to branch your airflow across a larger bin floor. MSRP: Now: $406.00 Add to Cart Compare Quick view 12" Perforated End Cap 12" perforated end cap for the end of a perforated aeration duct. It lets air keep flowing out into the grain right to the very end of the run instead of dead-ending the airflow. MSRP: Now: $13.00 Add to Cart Compare Quick view Caldwell 12" Solid End Cap 12" solid end cap to close off the end of a solid aeration duct run. Keeps grain out and air in, finishing your ducting line cleanly. MSRP: Now: $18.00 Add to Cart Compare Quick view Caldwell 12" Reinforcement Ring 12" reinforcement ring, sold one per pack and finished in black. You'll want two of these for each solid or perforated duct section to keep the ducting round and rigid under the weight of the grain. MSRP: Now: $21.00 Add to Cart Compare Quick view Caldwell 12" Perforated Duct - 4' Long - 20 Guage - Interlocking Seam 12" perforated aeration duct, 4 feet long, in 20-gauge steel with an interlocking seam. The perforations let air escape evenly into the grain, so you get good, consistent aeration the length of the run. MSRP: Now: $73.00 Add to Cart Compare Quick view Caldwell 12" Solid Duct - 4' Long - 22 Gauge - Interlocking Seam 12" solid aeration duct, 4 feet long, in durable 22-gauge steel with an interlocking seam that snaps together for a strong, leak-resistant run. Use the solid sections to carry air where you don't want it escaping into the grain. MSRP: Now: $58.00 Add to Cart Compare Quick view Caldwell 12" Flanged Wall Inlet Adaptor (Slips into 12' Fan) 12" flanged wall inlet adaptor, made to slip neatly into a 12" fan. It mounts through the bin wall and gives your fan a clean, sealed connection to the aeration ducting inside. MSRP: Now: $107.00 Add to Cart Compare Compare Selected × OK
Quick view 12" Perforated End Cap 12" perforated end cap for the end of a perforated aeration duct. It lets air keep flowing out into the grain right to the very end of the run instead of dead-ending the airflow. MSRP: Now: $13.00 Add to Cart Compare Quick view Caldwell 12" Solid End Cap 12" solid end cap to close off the end of a solid aeration duct run. Keeps grain out and air in, finishing your ducting line cleanly. MSRP: Now: $18.00 Add to Cart Compare Quick view Caldwell 12" Reinforcement Ring 12" reinforcement ring, sold one per pack and finished in black. You'll want two of these for each solid or perforated duct section to keep the ducting round and rigid under the weight of the grain. MSRP: Now: $21.00 Add to Cart Compare Quick view Caldwell 12" Perforated Duct - 4' Long - 20 Guage - Interlocking Seam 12" perforated aeration duct, 4 feet long, in 20-gauge steel with an interlocking seam. The perforations let air escape evenly into the grain, so you get good, consistent aeration the length of the run. MSRP: Now: $73.00 Add to Cart Compare Quick view Caldwell 12" Solid Duct - 4' Long - 22 Gauge - Interlocking Seam 12" solid aeration duct, 4 feet long, in durable 22-gauge steel with an interlocking seam that snaps together for a strong, leak-resistant run. Use the solid sections to carry air where you don't want it escaping into the grain. MSRP: Now: $58.00 Add to Cart Compare Quick view Caldwell 12" Flanged Wall Inlet Adaptor (Slips into 12' Fan) 12" flanged wall inlet adaptor, made to slip neatly into a 12" fan. It mounts through the bin wall and gives your fan a clean, sealed connection to the aeration ducting inside. MSRP: Now: $107.00 Add to Cart Compare Compare Selected × OK
Quick view Caldwell 12" Solid End Cap 12" solid end cap to close off the end of a solid aeration duct run. Keeps grain out and air in, finishing your ducting line cleanly. MSRP: Now: $18.00 Add to Cart Compare Quick view Caldwell 12" Reinforcement Ring 12" reinforcement ring, sold one per pack and finished in black. You'll want two of these for each solid or perforated duct section to keep the ducting round and rigid under the weight of the grain. MSRP: Now: $21.00 Add to Cart Compare Quick view Caldwell 12" Perforated Duct - 4' Long - 20 Guage - Interlocking Seam 12" perforated aeration duct, 4 feet long, in 20-gauge steel with an interlocking seam. The perforations let air escape evenly into the grain, so you get good, consistent aeration the length of the run. MSRP: Now: $73.00 Add to Cart Compare Quick view Caldwell 12" Solid Duct - 4' Long - 22 Gauge - Interlocking Seam 12" solid aeration duct, 4 feet long, in durable 22-gauge steel with an interlocking seam that snaps together for a strong, leak-resistant run. Use the solid sections to carry air where you don't want it escaping into the grain. MSRP: Now: $58.00 Add to Cart Compare Quick view Caldwell 12" Flanged Wall Inlet Adaptor (Slips into 12' Fan) 12" flanged wall inlet adaptor, made to slip neatly into a 12" fan. It mounts through the bin wall and gives your fan a clean, sealed connection to the aeration ducting inside. MSRP: Now: $107.00 Add to Cart Compare Compare Selected × OK
Quick view Caldwell 12" Reinforcement Ring 12" reinforcement ring, sold one per pack and finished in black. You'll want two of these for each solid or perforated duct section to keep the ducting round and rigid under the weight of the grain. MSRP: Now: $21.00 Add to Cart Compare Quick view Caldwell 12" Perforated Duct - 4' Long - 20 Guage - Interlocking Seam 12" perforated aeration duct, 4 feet long, in 20-gauge steel with an interlocking seam. The perforations let air escape evenly into the grain, so you get good, consistent aeration the length of the run. MSRP: Now: $73.00 Add to Cart Compare Quick view Caldwell 12" Solid Duct - 4' Long - 22 Gauge - Interlocking Seam 12" solid aeration duct, 4 feet long, in durable 22-gauge steel with an interlocking seam that snaps together for a strong, leak-resistant run. Use the solid sections to carry air where you don't want it escaping into the grain. MSRP: Now: $58.00 Add to Cart Compare Quick view Caldwell 12" Flanged Wall Inlet Adaptor (Slips into 12' Fan) 12" flanged wall inlet adaptor, made to slip neatly into a 12" fan. It mounts through the bin wall and gives your fan a clean, sealed connection to the aeration ducting inside. MSRP: Now: $107.00 Add to Cart Compare Compare Selected × OK
Quick view Caldwell 12" Perforated Duct - 4' Long - 20 Guage - Interlocking Seam 12" perforated aeration duct, 4 feet long, in 20-gauge steel with an interlocking seam. The perforations let air escape evenly into the grain, so you get good, consistent aeration the length of the run. MSRP: Now: $73.00 Add to Cart Compare Quick view Caldwell 12" Solid Duct - 4' Long - 22 Gauge - Interlocking Seam 12" solid aeration duct, 4 feet long, in durable 22-gauge steel with an interlocking seam that snaps together for a strong, leak-resistant run. Use the solid sections to carry air where you don't want it escaping into the grain. MSRP: Now: $58.00 Add to Cart Compare Quick view Caldwell 12" Flanged Wall Inlet Adaptor (Slips into 12' Fan) 12" flanged wall inlet adaptor, made to slip neatly into a 12" fan. It mounts through the bin wall and gives your fan a clean, sealed connection to the aeration ducting inside. MSRP: Now: $107.00 Add to Cart Compare Compare Selected × OK
Quick view Caldwell 12" Solid Duct - 4' Long - 22 Gauge - Interlocking Seam 12" solid aeration duct, 4 feet long, in durable 22-gauge steel with an interlocking seam that snaps together for a strong, leak-resistant run. Use the solid sections to carry air where you don't want it escaping into the grain. MSRP: Now: $58.00 Add to Cart Compare Quick view Caldwell 12" Flanged Wall Inlet Adaptor (Slips into 12' Fan) 12" flanged wall inlet adaptor, made to slip neatly into a 12" fan. It mounts through the bin wall and gives your fan a clean, sealed connection to the aeration ducting inside. MSRP: Now: $107.00 Add to Cart Compare Compare Selected
Quick view Caldwell 12" Flanged Wall Inlet Adaptor (Slips into 12' Fan) 12" flanged wall inlet adaptor, made to slip neatly into a 12" fan. It mounts through the bin wall and gives your fan a clean, sealed connection to the aeration ducting inside. MSRP: Now: $107.00 Add to Cart Compare Compare Selected