20" X 24" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 22 5/8" X 26 5/8"] w26h26 The powder-coated finish ensures a

The powder-coated finish ensures a sleek look while protecting the grille from wear and tear

+ Product Description Upgrade your ventilation with our premium grilles and registers

Whilst the maximum pressure for R410 is 700 PSI

+ Product Description Check out one of our most attractive and stylish grills

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20" X 24" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 22 5/8" X 26 5/8"] w26h26 The powder-coated finish ensures a+ Product Details Size 20"w X 24"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 22 5 8" width X 26 5 8" height Actual Filter Size 19 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 Installation Location Sidewall and ceiling Design Removable door face for easy filter change & cleaning uses a 1" thick filter.