30" X 26" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 32 5/8" X 28 5/8"] w36h36 + Product Details Size –

+ Product Details Size – 32"w X 36"h is the size for the duct opening measurement only

4" X 12" Is The Size For The Duct Opening (floor/vent hole) Measurement Only

and brown – to harmonize with your interior theme

7/8" - 3397 PSI

+ Product Description Enhance your ventilation system with our high-quality grilles and registers

30" X 26" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 32 5/8" X 28 5/8"] w36h36 + Product Details Size –+ Product Details Size 30"w X 26"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 32 5 8" width X 28 5 8" height Actual Filter Size 29 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 Installation Location Sidewall and ceiling Design Removable door face for easy filter change & cleaning uses a 1" thick filter.