24" X 14" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 26 5/8" X 16 5/8"] sidewall Design – removable frame for

Design – removable frame for easy filter change & cleaning - uses a 1" thick filter

If your hole is 14" wide by 20" tall

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10" x 4" Floor Register HVAC Air Supply Grille - Heavy Duty Rigid Built - Plastic Never Rust Vent Duct Cover

24" X 14" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 26 5/8" X 16 5/8"] sidewall Design – removable frame for+ Product Details Size 24"w X 14"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 26 5 8" width X 16 5 8" height Actual Filter Size 23 3 4"w x 13 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.