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 Size - Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Size - 25"w X 25"h is the size for the duct opening measurement only

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

6" width X 15

+ Product Details Size - 14"w X 34"h X 2"d (for duct opening measurement only)

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

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 Size Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size 25"w X 25"h is the size for the duct opening measurement only actual front end outer dimensions are approximately 27 5 8" width X 22 5 8" height