24"W X 14"H [Duct Opening] ALUMINUM RETURN GRILLE - Easy Air Flow - Linear Bar Grilles [Outer Dimensions: 25.875"W X 15.875"H] ceiling + Product Details Perfect Fit 4 X 12 Is CRFG2028 Width_14in

+ Product Details Perfect Fit & Easy Sizing - Designed for a 30" x 28" OR 28" x 30" duct opening (measured at the opening)

+ Product Details Perfect Fit & Easy Sizing - Designed for a 24" x 20" OR 20" x 24" duct opening (measured at the opening)

Pack of 4 Pieces

75" Width X 31

actual front end outer dimensions are approximately 27 5/8" width X 22 5/8" height

24"W X 14"H [Duct Opening] ALUMINUM RETURN GRILLE Easy Air Flow Linear Bar Grilles [Outer Dimensions: 25.875"W X 15.875"H] ceiling + Product Details Perfect Fit 4 X 12 Is CRFG2028 Width_14in + Product Details Perfect Fit & Easy Sizing Designed for a 30" x 28" OR 28" x 30" duct opening (measured at the opening) + Product Details Perfect Fit & Easy Sizing Designed for a 24" x 20" OR 20" x 24" duct opening (measured at the opening)