24" X 10" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES Black + Product Details Size - Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Size - 4"w X 22"h is the size for the duct opening measurement only

this flex duct decreases the pressure loss and provides a more hygienic environment

+ Product Details Size – 20"w X 14"h is the size for the duct opening measurement only

+ Product Details Size - 30"w X 28"h is the size for the duct opening measurement only

+ Product Details Size – 22"w X 25"h is the size for the duct opening measurement only

24" X 10" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER EASY AIR FLOW LINEAR BAR GRILLES Black + Product Details Size Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size 4"w X 22"h is the size for the duct opening measurement only this flex duct decreases the pressure loss and provides a more hygienic environment