30" X 24" Steel Return Air Filter Grille for 1" Filter - Removable Frame - Black - [Outer Dimensions: 32 5/8" X 26 5/8"] w12h12 with actual outer dimensions of

with actual outer dimensions of 22

If your hole is 14" wide by 20" tall

+ Product Details Size - 10"w X 30"h is the size for the duct opening measurement only

+ Product Details Size – 14"w X 4"h is the size for the duct opening measurement only

+ Product Details Size - 26"w X 34"h is the size for the duct opening measurement only

30" X 24" Steel Return Air Filter Grille for 1" Filter - Removable Frame - Black - [Outer Dimensions: 32 5/8" X 26 5/8"] w12h12 with actual outer dimensions of+ Product Details Size 30"w X 24"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 32 5 8" width X 26 5 8" height Actual Filter Size 29 3 4"w x 23 3 4" x 1" High Quality High quality solid stamped steel with counter sunk screw holes (screws included) and no sharp edges Installation Location Sidewall and ceiling Design Removable door face for easy filter change & cleaning uses a 1" thick filter.