8" x 25" Steel Return Air Filter Grill for 1" Filter Removable Face/Door Height_30in Ideal for Walls & Ceilings:

Ideal for Walls & Ceilings: Designed for seamless installation in standard 20" X 12" duct openings

+ Product Details Size – 14"w X 4"h is the size for the duct opening measurement only

The operable dampers

actual front end outer dimensions are approximately 23

+ Product Details Size & Compatibilty - The 12" to 7" round metal pipe reducer & increaser 30 gauge is compatible with duct 12" to 7"

8" x 25" Steel Return Air Filter Grill for 1" Filter Removable Face/Door Height_30in Ideal for Walls & Ceilings:+ Product Details Size 8"w X 25"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 10 5 8" width X 27 5 8" height Actual Filter Size 7 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. Our