26" X 24" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 28 5/8" X 26 5/8"] w24h24 + Product Details Size -

+ Product Details Size - 16"w X 6"h is the size for the duct opening measurement only

Operating temperature from -40°f to +248°f [-40°c to +120°c]

Actual Filter Size – 11 3/4"w x 23 3/4" x 1"

actual front end outer dimensions are approximately 26 5/8" width X 8 5/8" height

only measure the "hole" in the wall/duct

26" X 24" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 28 5/8" X 26 5/8"] w24h24 + Product Details Size -+ Product Details Size 26"w X 24"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 28 5 8" width X 26 5 8" height Actual Filter Size 25 3 4"w x 23 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