32" X 32" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 34 5/8" X 34 5/8"] w34h34 actual front end outer dimensions 4 X 12 Is CRFG2028 Width_14in

actual front end outer dimensions are approximately 26

Actual Filter Size – 19 3/4"w x 11 3/4" x 1"

+ Product Details Size - 18"w X 24"h is the size for the duct opening measurement only

+ Product Details Size – 25"w X 32"h is the size for the duct opening measurement only

+ Product Details Size - 16"w X 24"h is the size for the duct opening measurement only

32" X 32" Steel Return Air Filter Grille for 1" Filter Removable Frame [Outer Dimensions: 34 5 8" X 34 5 8"] w34h34 actual front end outer dimensions 4 X 12 Is CRFG2028 Width_14in actual front end outer dimensions are approximately 26 Actual Filter Size – 19 3 4"w x 11 3 4" x 1"