12"W X 6"H [Duct Opening] ALUMINUM RETURN GRILLE - EASY AIR FLOW - LINEAR BAR GRILLES [OUTER DIMENSIONS: 13.875"W X 7.875"H] w28h28 [Outer Dimensions: 12

[Outer Dimensions: 12

actual front end outer dimensions are 7" diameter

thanks to its 7/8" margin turnback

Ideal for Walls & Ceilings: Designed for seamless installation in standard 14" X 12" duct openings

12"W X 6"H [Duct Opening] ALUMINUM RETURN GRILLE - EASY AIR FLOW - LINEAR BAR GRILLES [OUTER DIMENSIONS: 13.875"W X 7.875"H] w28h28 [Outer Dimensions: 12+ Product Details Size 12"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 875" width X 7. 875" height. High Quality High quality aluminum with counter sunk screw holes (screws included) and no sharp edges. Design Unrestricted airflow For Your HVAC system noise free components no vibrating louvers etc. Powder Coat Finish Smooth, shiny, scratch resistant, beautiful. Looks like it was