12" Round Duct Components and Accessories

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.

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.

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.

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.

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.

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.

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...

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...