16" X 12" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 18 5/8" X 14 5/8"] w26h26 complete with a set of

complete with a set of sponge gasket and mounting frame

+ Product Details Size – 4"w X 14"h is the size for the duct opening measurement only

Suitable for all AC applications

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

+ Product Details Size - 14"w X 8"h is the size for the duct opening measurement only

16" X 12" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 18 5/8" X 14 5/8"] w26h26 complete with a set of+ Product Details Size 16"w X 12"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 18 5 8" width X 14 5 8" height 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. Our filter grille latch is easy to use on