12"W X 10"H [Duct Opening] 3-Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser [Outer Dimensions: 13.75"W X 11.75"H] Powder-Coat + Product Description Upgrade your

+ Product Description Upgrade your HVAC system with a high-quality aluminum return grille designed for a clean

actual front end outer dimensions are approximately 36 5/8" width X 22 5/8" height

Plain Ends - Gives you the freedom to cut and flare at your own project needs

Filter Size - 20

12"W X 10"H [Duct Opening] 3-Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser [Outer Dimensions: 13.75"W X 11.75"H] Powder-Coat + Product Description Upgrade your+ Product Details Size 12"w X 10"h is the size for the duct opening measurement only, actual front end outer dimensions are 13. 75" width X 11. 75" height. Design Individually adjusting curved blades. Multi shutter damper with handle operator to adjust air flow. Screws Included High Quality Aluminum The premium durable aluminum will never rust and it will never wear through leaving the material with an elegant, beautiful, and smooth surface, adds a