14" X 30" Steel Return Air Filter Grille for 1" Filter - Removable Frame - Black - [Outer Dimensions: 16 5/8" X 32 5/8"] w8h8 Complies with industry standards of

Complies with industry standards of USA: ASTM D-882

actual front end outer dimensions are approximately 27 5/8" width X 16 5/8" height

ensuring even air distribution throughout your space

actual front end outer dimensions are approximately 26 5/8" width X 26 5/8" height

14" X 30" Steel Return Air Filter Grille for 1" Filter - Removable Frame - Black - [Outer Dimensions: 16 5/8" X 32 5/8"] w8h8 Complies with industry standards of+ 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.