32" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Powder-Coat actual front end outer dimensions 4 X 12 Is CRFG2028 Width_14in

actual front end outer dimensions are approximately 16

+ Product Details Size - 24"w X 4"h is the size for the duct opening measurement only

+ Product Details Size – 26"w X 10"h is the size for the duct opening measurement only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 34" x 22" Or 22" x 34" duct opening (measured at the opening)

+ Product Details Perfect Fit & Easy Sizing - Designed for a 34" x 26" Or 26" x 34" duct opening (measured at the opening)

32" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Powder Coat actual front end outer dimensions 4 X 12 Is CRFG2028 Width_14in actual front end outer dimensions are approximately 16 + Product Details Size 24"w X 4"h is the size for the duct opening measurement only