20" X 25" Steel Return Air Filter Grille for 1" Filter - Removable Frame - Black - [Outer Dimensions: 22 5/8" X 27 5/8"] Fixed Blades This simple adjustment reduces HVAC

This simple adjustment reduces HVAC strain

+ Product Details Size - 32"w X 12"h is the size for the duct opening measurement only

+ Product Details Size – 18"w X 14"h is the size for the duct opening measurement only

If your duct opening is 14 inches in diameter

20" X 25" Steel Return Air Filter Grille for 1" Filter - Removable Frame - Black - [Outer Dimensions: 22 5/8" X 27 5/8"] Fixed Blades This simple adjustment reduces HVAC+ Product Details Size 20"w X 25"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 22 5 8" width X 27 5 8" height Actual Filter Size 19 3 4"w x 24 3 4" x 1" High Quality High quality solid stamped steel with counter sunk screw holes (screws included) and no sharp edges Installation Location Sidewall and ceiling Design Removable door face for easy filter change & cleaning uses a 1" thick filter.