30" X 10" Steel Return Air Filter Grille for 1" Filter - Removable Frame - Black - [Outer Dimensions: 32 5/8" X 12 5/8"] 18" Round Duct Pipe + Product Details Size –

+ Product Details Size – 16" x 20" or 20" x 16" is the size for the duct opening measurement only

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

+ Product Description Enhance your ventilation system with our high-quality grilles and registers

Its sleek contours bring a touch of modern sophistication to any room

actual front end outer dimensions are approximately 12 5/8" width X 22 5/8" height -

30" X 10" Steel Return Air Filter Grille for 1" Filter - Removable Frame - Black - [Outer Dimensions: 32 5/8" X 12 5/8"] 18" Round Duct Pipe + Product Details Size –+ Product Details Size 30"w X 10"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 32 5 8" width X 12 5 8" height Actual Filter Size 29 3 4"w x 9 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. Our