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

+ Product Details Size - 12"w X 32"h is the size for the duct opening measurement only

75" width X 19

+ Product Details Size - 34"w X 8"h is the size for the duct opening measurement only

+ Product Details Size - 32"w X 4"h is the size for the duct opening measurement only

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

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