24" X 8" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 26 5/8" X 10 5/8"] w18h18 if your hole is 20"

if your hole is 20" wide by 14" tall

actual front end outer dimensions are approximately 22 5/8" width X 8 5/8" height

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Suitable for all AC applications

+ Product Details Size - 22"w X 36"h is the size for the duct opening measurement only

24" X 8" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 26 5/8" X 10 5/8"] w18h18 if your hole is 20"+ Product Details Size 24"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 26 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