30" X 14" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 32 5/8" X 16 5/8"] Floor Grille Installation Location – sidewall and

Installation Location – sidewall and ceiling

actual front end outer dimensions are approximately 13

actual front end outer dimensions are approximately 34 5/8" width X 12 5/8" height -

but still very thin

actual front end outer dimensions are approximately 18 5/8" width X 8 5/8" height -

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