17"W X 10"H [Duct Opening] ALUMINUM RETURN GRILLE - EASY AIR FLOW - LINEAR BAR GRILLES [OUTER DIMENSIONS: 18.875"W X 11.875"H] w12h12 actual front end outer dimensions

actual front end outer dimensions are approximately 36 5/8" width X 30 5/8" height

The integral multi-shutter damper with a convenient handle operator ensures that you can easily adjust the air volume

We pride ourselves on offering top-of-the-line products that meet the highest standards

+ Product Details Size – 12"w X 24"h is the size for the duct opening measurement only

+ Product Details Size - 10"w X 22"h is the size for the duct opening measurement only

17"W X 10"H [Duct Opening] ALUMINUM RETURN GRILLE - EASY AIR FLOW - LINEAR BAR GRILLES [OUTER DIMENSIONS: 18.875"W X 11.875"H] w12h12 actual front end outer dimensions+ Product Details Size 17"w X 10"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 18. 875" width X 11. 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