16" X 14" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 18 5/8" X 16 5/8"] w24h24 But they are also the

But they are also the most visible representation of you air system

+ Product Details Size – 10" X 2" is the size for the duct opening (floor/vent hole) measurement only

+ Product Details Size - 10"w X 12"h is the size for the duct opening measurement only

+ Product Description This aluminum flex duct is intended to be used in heating

16" X 14" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 18 5/8" X 16 5/8"] w24h24 But they are also the+ Product Details Size 16"w X 14"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 18 5 8" width X 16 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