14" X 30" Steel Return Air Filter Grille for 1" Filter - Removable Frame - Black - [Outer Dimensions: 16 5/8" X 32 5/8"] Supply Grille actual front end outer dimensions

actual front end outer dimensions are approximately 22 5/8" width X 14 5/8" height -

+ Product Description Maximize HVAC efficiency with our aluminum eggcrate return air filter grille

+ Product Details Size - 18"w X 20"h is the size for the duct opening measurement only

allowing unrestricted airflow for optimal HVAC performance

ensuring that you find the perfect fit for your ventilation needs

14" X 30" Steel Return Air Filter Grille for 1" Filter - Removable Frame - Black - [Outer Dimensions: 16 5/8" X 32 5/8"] Supply Grille actual front end outer dimensions+ Product Details Size 14"w X 30"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 16 5 8" width X 32 5 8" height Actual Filter Size 13 3 4"w x 29 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.