16" X 36" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 18 5/8" X 38 5/8"] RG66 Black-HP represents the width

represents the width

+ Product Details Size - 18"w X 36"h is the size for the duct opening measurement only

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actual front end outer dimensions are approximately 32 5/8" width X 16 5/8" height -

[Outer Dimensions: 38

16" X 36" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 18 5/8" X 38 5/8"] RG66 Black-HP represents the width+ Product Details Size 16"w X 36"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 18 5 8" width X 38 5 8" height. High Quality high quality solid stamped steel with counter sunk screw holes (screws included) and no sharp edges Installation Location Ceiling Design Fixed hinged for easy filter change & cleaning uses a 1" thick filter. Our filter grille latch is easy to use on your fingers and