![20-1/4" x 13-1/8" x 48", Hot Dip Galvanized Steel, A-Style, Adjustable, Sheet Metal Return Air Duct Plenum | Design Air 20-1/4" x 13-1/8" x 48", Hot Dip Galvanized Steel, A-Style, Adjustable, Sheet Metal Return Air Duct Plenum | Design Air](https://cdn.designair.com/Images/STHMTL_1074.jpg)
20-1/4" x 13-1/8" x 48", Hot Dip Galvanized Steel, A-Style, Adjustable, Sheet Metal Return Air Duct Plenum | Design Air
![145X205X36R8 Insulated Galvanized Sheet Metal Plenum, R8, 26 GA, 14.5 in. HX 20.5 in. WX 36 in. Long, 18 Lbs 145X205X36R8 Insulated Galvanized Sheet Metal Plenum, R8, 26 GA, 14.5 in. HX 20.5 in. WX 36 in. Long, 18 Lbs](https://m.media-amazon.com/images/I/31jusHU7QwL._AC_UF894,1000_QL80_.jpg)
145X205X36R8 Insulated Galvanized Sheet Metal Plenum, R8, 26 GA, 14.5 in. HX 20.5 in. WX 36 in. Long, 18 Lbs
![AC Pro Lined Plenum Drop With Cap 11 5 X 14 X 46 5 Flange 1 5 Lined 1 26ga 65904 | AC Pro Store | HVAC Equipment, Parts & Supplies for Contractors AC Pro Lined Plenum Drop With Cap 11 5 X 14 X 46 5 Flange 1 5 Lined 1 26ga 65904 | AC Pro Store | HVAC Equipment, Parts & Supplies for Contractors](https://cdn.gateway.acpro.com/original/universal_lined-plenum-11.5x14x46.5-1_original.jpg)
AC Pro Lined Plenum Drop With Cap 11 5 X 14 X 46 5 Flange 1 5 Lined 1 26ga 65904 | AC Pro Store | HVAC Equipment, Parts & Supplies for Contractors
![Best Selling Galvanized Sheet Metal Plenum Collars - China Galvanized Sheet Metal Plenum Collars, Metal Plenum Collars | Made-in-China.com Best Selling Galvanized Sheet Metal Plenum Collars - China Galvanized Sheet Metal Plenum Collars, Metal Plenum Collars | Made-in-China.com](https://image.made-in-china.com/2f0j00dlOWkwEcyNBt/Best-Selling-Galvanized-Sheet-Metal-Plenum-Collars.webp)
Best Selling Galvanized Sheet Metal Plenum Collars - China Galvanized Sheet Metal Plenum Collars, Metal Plenum Collars | Made-in-China.com
![Cody Company | Products | 08816622648, 22.75" x 16.75" x 48" Sheet Metal Plenum with 1" Duct Liner: Ducting Cody Company | Products | 08816622648, 22.75" x 16.75" x 48" Sheet Metal Plenum with 1" Duct Liner: Ducting](https://lockeproductionblob.blob.core.windows.net/storage/products/images/2017/08/09/3ffd64de68d02ffb87e3bcfefe1bbb68.jpeg)