16"W X 20"H [Duct Opening] ALUMINUM RETURN GRILLE - EASY AIR FLOW - LINEAR BAR GRILLES [OUTER DIMENSIONS: 17.875"W X 21.875"H] w6h6 Choose from a palette of Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

Choose from a palette of four elegant colors – white

with actual outer dimensions of 26

+ Product Details Size – 18" x 28" or 28" x 18" is the size for the duct opening measurement only

actual front end outer dimensions are approximately 20 5/8" width X 20 5/8" height

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

16"W X 20"H [Duct Opening] ALUMINUM RETURN GRILLE EASY AIR FLOW LINEAR BAR GRILLES [OUTER DIMENSIONS: 17.875"W X 21.875"H] w6h6 Choose from a palette of Compatible With Duct 7in Applications This sheet metal DDAG A 1212 Choose from a palette of four elegant colors – white with actual outer dimensions of 26