26" X 26" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 28 5/8" X 28 5/8"] Floor Grille + Product Details Size –

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

Actual Filter Size – 31 3/4"w x 11 3/4" x 1"

actual front end outer dimensions are approximately 16 5/8" width X 28 5/8" height

actual front end outer dimensions are approximately 36 5/8" width X 24 5/8" height

Actual Filter Size – 9 3/4"w x 13 3/4" x 1"

26" X 26" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 28 5/8" X 28 5/8"] Floor Grille + Product Details Size –+ Product Details Size 26"w X 26"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 28 5 8" width X 28 5 8" height Actual Filter Size 25 3 4"w x 25 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