24" X 30" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 26 5/8" X 32 5/8"] w36h36 + Product Details Size -

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

+ Product Details Size - 30"w X 8"h is the size for the duct opening measurement only

with actual outer dimensions of 20

you can watch this informative video tutorial: How to Measure Your Vent Hole Before Ordering a Grille

+ Product Details Size - 16"w X 28"h is the size for the duct opening measurement only

24" X 30" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 26 5/8" X 32 5/8"] w36h36 + Product Details Size -+ Product Details Size 24"w X 30"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 26 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