Return Air Filter Box

Can accept any size collar up to 18 in.

Return air filter box.

Hvac return air filter box. Serves as a transition from a floor grille to the insulated flexible duct return line. Filters installed improperly rarely provide a good seal necessary in keeping dirt and lint out of equipment often resulting in additional costly maintenance and repairs and a decrease in the furnace life and or voiding the furnaces. Used as a central return vent box filter grill not included.

20 x 30 steel return air filter grille removable face door for 1 inch filters hvac duct cover grill white outer dimensions. 22 5 8 w x 32 5 8 h for 20x30 duct opening 4 6 out of 5 stars 394 59 99 59. Can be easily cut to size. In stock or as low as.

Ret air support box 40 w filter. 30 inch wide return air support box and plenum kit with filter slot 299 99. Return air filter box is great for use as a transition between a floor grille and the return line in your mobile home. This master flow 12 in.

36 inch wide return air support box with. Add to cart 6 reviews compare. He gave me a lot of very helpful information and advice i did a lot of research on the inte. Ret air support box 36 w filter.

Add to cart 3 reviews compare. Ret air support box 30 w filter. In stock or as low as. 4001 mark iv parkway fort worth tx 76106 phone.

Part description u m upc code. 22 5 x 15 75 4 6 out of 5 stars 67 46 99 46. Custom a c return air ductthe project started when i decided to install central air in my house. 20 x 14 steel return air filter grille for 1 filter fixed hinged ceiling recommended hvac duct cover flat stamped face white outer dimensions.

Without the flow right filter box filters often interfere with the furnaces return air system and the furnace manufacturers installation specifications. I solicited the help of a friend who was an hvac contractor. Designed for use with self contained air conditioning units.