20" X 20" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 22 5/8" X 22 5/8"] White Easy clean Healthy air flow

Easy clean Healthy air flow for your HVAC system - noise free components - no vibrating louvers etc

4" X 10" Is The Size For The Duct Opening (floor/vent hole) Measurement Only

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actual front end outer dimensions are approximately 14 5/8" width X 32 5/8" height -

20" X 20" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 22 5/8" X 22 5/8"] White Easy clean Healthy air flow+ Product Details Size 20"w X 20"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 22 5 8" width X 22 5 8" height Actual Filter Size 19 3 4"w x 19 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.