34" X 16" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 36 5/8" X 18 5/8"] Color_White Design – Circular return valves

Design – Circular return valves - designed to be used in low and medium pressure ventilation air conditioning systems

Actual Filter Size – 11 3/4"w x 5 3/4" x 1"

+ Product Details Size – 28"w X 30"h is the size for the duct opening measurement only

Width vs Height:

Actual Filter Size – 29 3/4"w x 9 3/4" x 1"

34" X 16" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 36 5/8" X 18 5/8"] Color_White Design – Circular return valves+ Product Details Size 34"w X 16"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 36 5 8" width X 18 5 8" height Actual Filter Size 33 3 4"w x 15 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.