16" X 20" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 18 5/8" X 22 5/8"] Color_White + Product Description Upgrade your

+ Product Description Upgrade your HVAC system with our 5" Round Air Vent Supply Grille

Actual Filter Size – 24 3/4"w x 25 3/4" x 1"

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+ Product Details Size - 18"w X 34"h is the size for the duct opening measurement only

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16" X 20" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 18 5/8" X 22 5/8"] Color_White + Product Description Upgrade your+ Product Details Size 16"w X 20"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 18 5 8" width X 22 5 8" height Actual Filter Size 15 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.