14" X 30" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 16 5/8" X 32 5/8"] 18" Round Duct Pipe + Product Details Size –

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

75" width X 17

If your hole is 14" wide by 20" tall

+ Product Details Size - The listed 8" diameter refers specifically to the size of the duct opening

14" X 30" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 16 5/8" X 32 5/8"] 18" Round Duct Pipe + Product Details Size –+ Product Details Size 14"w X 30"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 16 5 8" width X 32 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