26" X 32" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 28 5/8" X 34 5/8"] w36h36 1/2" - 3119 PSI

1/2" - 3119 PSI

actual front end outer dimensions are approximately 24 5/8" width X 20 5/8" height

If your hole is 14" wide by 20" tall

75" width X 21

+ Product Details Size - 28"w X 32"h is the size for the duct opening measurement only

26" X 32" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 28 5/8" X 34 5/8"] w36h36 1/2" - 3119 PSI+ Product Details Size 26"w X 32"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 28 5 8" width X 34 5 8" height Actual Filter Size 25 3 4"w x 31 3 4" x 1" High quality High quality solid stamped steel with counter sunk screw holes (screws included) and no sharp edges Design Removable door face for easy filter change & cleaning uses a 1" thick filter. Our filter grille latch is easy to use on