30" X 8" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 32 5/8" X 10 5/8"] Adjustable Return + Product Details Size –

+ Product Details Size – 25"w X 12"h is the size for the duct opening measurement only

5" - SEE BELOW IN DESCRIPTION How To Measure A Grille

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

+ Product Details Size - 18"w X 16"h is the size for the duct opening measurement only

+ Product Details Size – 12" X 2" is the size for the duct opening (floor/vent hole) measurement only

30" X 8" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 32 5/8" X 10 5/8"] Adjustable Return + Product Details Size –+ Product Details Size 30"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 32 5 8" width X 10 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