14" x 24" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w30h30 actual front end outer dimensions 4 X 12 Is CRFG2028 Width_14in

actual front end outer dimensions are approximately 22 5/8" width X 52 5/8" height

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

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

+ Product Details Size - 32"w X 28"h is the size for the duct opening measurement only

+ Product Details Size – 12"w X 30"h is the size for the duct opening measurement only

14" x 24" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w30h30 actual front end outer dimensions 4 X 12 Is CRFG2028 Width_14in actual front end outer dimensions are approximately 22 5 8" width X 52 5 8" height actual front end outer dimensions are approximately 18 5 8" width X 18 5 8" height