36" X 24" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIR FLOW - LINEAR BAR GRILLES w14h14 actual front end outer dimensions 4 X 12 Is CRFG2028 Width_14in

actual front end outer dimensions are approximately 24 5/8" width X 31 5/8" height

+ Product Details Size – 20"w X 32"h is the size for the duct opening measurement only

please note that the total outer dimensions of the grille measure 10" in diameter

+ Product Details Size - 16"w X 12"h is the size for the duct opening measurement only

closest('dt')

36" X 24" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER EASY AIR FLOW LINEAR BAR GRILLES w14h14 actual front end outer dimensions 4 X 12 Is CRFG2028 Width_14in actual front end outer dimensions are approximately 24 5 8" width X 31 5 8" height + Product Details Size – 20"w X 32"h is the size for the duct opening measurement only