10" X 20" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 12 5/8" X 22 5/8"] w26h26 actual front end outer dimensions 4 X 12 Is CRFG2028 Width_14in

actual front end outer dimensions are approximately 22 5/8" width X 42 5/8" height -

+ Product Details Size – 20"w X 10"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 16 5/8" width X 26 5/8" height -

+ Product Details Size - 28"w X 26"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 22 5/8" width X 10 5/8" height

10" X 20" Steel Return Air Filter Grille for 1" Filter Fixed Hinged [Outer Dimensions: 12 5 8" X 22 5 8"] w26h26 actual front end outer dimensions 4 X 12 Is CRFG2028 Width_14in actual front end outer dimensions are approximately 22 5 8" width X 42 5 8" height + Product Details Size – 20"w X 10"h is the size for the duct opening measurement only