22" X 20" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 24 5/8" X 22 5/8"] w24h24 Actual Filter Size – 29

Actual Filter Size – 29 3/4"w x 19 3/4" x 1"

Actual Filter Size – 13 3/4"w x 13 3/4" x 1"

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+ Product Details Perfect Fit & Easy Sizing - Designed for a 16" x 20" OR 20" X 16" duct opening (measured at the opening)

actual front end outer dimensions are approximately 18 5/8" width X 32 5/8" height

22" X 20" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 24 5/8" X 22 5/8"] w24h24 Actual Filter Size – 29+ Product Details Size 22"w X 20"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 24 5 8" width X 22 5 8" height Actual Filter Size 21 3 4"w x 19 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.