18" x 34" or 34" x 18" Cube Core Eggcrate Return Air Grille Return actual front end outer dimensions 4 X 12 Is CRFG2028 Width_14in

actual front end outer dimensions are approximately 31 5/8" width X 24 5/8" height -

+ Product Details Perfect Fit & Easy Sizing - Designed for a 22" x 8" OR 8" x 22" duct opening (measured at the opening)

3/4" - 2981 PSI

+ Product Details Size - 28"w X 4"h is the size for the duct opening measurement only

/* was 8px */ } /* HEADER SPACING */ #hvac-product-accordion

18" x 34" or 34" x 18" Cube Core Eggcrate Return Air Grille Return actual front end outer dimensions 4 X 12 Is CRFG2028 Width_14in actual front end outer dimensions are approximately 31 5 8" width X 24 5 8" height + Product Details Perfect Fit & Easy Sizing Designed for a 22" x 8" OR 8" x 22" duct opening (measured at the opening)