16" X 34" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 18 5/8" X 36 5/8"] Ceiling High Quality – Solid rigid

High Quality – Solid rigid steel body for durability and reliability

+ Product Details Size – 36"w X 20"h is the size for the duct opening measurement only

The grille features counter-sunk screw holes that prevent paint from peeling during installation

+ Product Details Size – 36"w X 16"h is the size for the duct opening measurement only

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