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] Color_White Universal Fit – Dimensions of

Universal Fit – Dimensions of 6-3/8" wide x 3-1/2" high x 3" deep make it compatible with most standard thermostat models

actual front end outer dimensions are approximately 38 5/8" width X 22 5/8" height -

actual front end outer dimensions are 3"

angle the louvers up for efficient cooling

Actual Filter Size – 31 3/4"w x 7 3/4" x 1"

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] Color_White Universal Fit – Dimensions of+ 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