8"W X 6"H [Duct Opening] ALUMINUM RETURN GRILLE - Easy Air Flow - Linear Bar Grilles [Outer Dimensions: 9.875"W X 7.875"H] w32h32 No Water Flow: Verify the Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

No Water Flow: Verify the inlet and outlet valves are open

+ Product Details Size - 12"w X 20"h is the size for the duct opening measurement only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 26" x 20" OR 20" x 26" duct opening (measured at the opening)

actual front end outer dimensions are approximately 10 5/8" width X 36 5/8" height

+ Product Details Perfect Fit & Easy Sizing - Designed for a 22" x 16" OR 16" x 22" duct opening (measured at the opening)

8"W X 6"H [Duct Opening] ALUMINUM RETURN GRILLE Easy Air Flow Linear Bar Grilles [Outer Dimensions: 9.875"W X 7.875"H] w32h32 No Water Flow: Verify the Compatible With Duct 7in Applications This sheet metal DDAG A 1212 No Water Flow: Verify the inlet and outlet valves are open + Product Details Size 12"w X 20"h is the size for the duct opening measurement only