26" X 34" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 28 5/8" X 36 5/8"] fixed bar + Product Details High Quality

+ Product Details High Quality - Aluminum housing on the outside and on the inside for the best insulation value

actual front end outer dimensions are approximately 18 5/8" width X 16 5/8" height

+ Product Details Size - 26"w X 8"h is the size for the duct opening measurement only

+ Product Details Size – 12"w X 22"h is the size for the duct opening measurement only

Designed for optimal air flow and lasting durability

26" X 34" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 28 5/8" X 36 5/8"] fixed bar + Product Details High Quality+ Product Details Size 26"w X 34"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 28 5 8" width X 36 5 8" height Actual Filter Size 25 3 4"w x 33 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.