20" X 40" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 22 5/8" X 42 5/8"] w16h16 + Product Details Size -

+ Product Details Size - 16"w X 20"h is the size for the duct opening measurement only

+ Product Details Size - 30"w X 18"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 2" wider

please note that the total outer dimensions of the grille measure 10" in diameter

Quality Packaging - Carefully Shrink Wrapped With Cardboard Backing To Prevent Damage In Shipment

20" X 40" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 22 5/8" X 42 5/8"] w16h16 + Product Details Size -+ Product Details Size 20"w X 40"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 22 5 8" width X 42 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