10" X 24" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 12 5/8" X 26 5/8"] w12h12 + Product Details Size -

+ Product Details Size - 25"w X 4"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 20 5/8" width X 338 5/8" height

By simply measuring the width or the length of the vent

+ Product Description Check out one of our most attractive and stylish grills

10" X 24" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 12 5/8" X 26 5/8"] w12h12 + Product Details Size -+ Product Details Size 10"w X 24"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 12 5 8" width X 26 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