25" X 34" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 27 5/8" X 36 5/8"] 14" Diameter + Product Description Upgrade your 4 X 12 Is CRFG2028 Width_14in

+ Product Description Upgrade your HVAC system with our heavy-duty

actual front end outer dimensions are approximately 22 5/8" width X 38 5/8" height -

See our separate listing of T-Bar Supply Grilles

+ Product Details Size - 14"w X 32"h is the size for the duct opening measurement only

+ Product Details Size - 26"w X 14"h is the size for the duct opening measurement only

25" X 34" Steel Return Air Filter Grille for 1" Filter Removable Frame [Outer Dimensions: 27 5 8" X 36 5 8"] 14" Diameter + Product Description Upgrade your 4 X 12 Is CRFG2028 Width_14in + Product Description Upgrade your HVAC system with our heavy duty actual front end outer dimensions are approximately 22 5 8" width X 38 5 8" height