24" X 16" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 26 5/8" X 18 5/8"] w22h22 + Product Details Size -

+ Product Details Size - 18"w X 20"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 22 5/8" width X 27 5/8" height

It has an outer surface made of high-quality aluminum foil and an inner surface made of metalized PET with inside high-tensile spring steel wire

Installation Location – Floor

actual front end outer dimensions are approximately 52 5/8" width X 22 5/8" height -

24" X 16" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 26 5/8" X 18 5/8"] w22h22 + Product Details Size -+ Product Details Size 24"w X 16"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 26 5 8" width X 18 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