14" X 8" [Duct Opening] 3-Way Air Vent Adjustable Aluminum Curved Blades Integral Multi-Shutter Damper HVAC Diffuser [Outer Dimensions: 15.75"W X 9.75"H] Color_Red Oak Wood actual front end outer dimensions

actual front end outer dimensions are approximately 24 5/8" width X 28 5/8" height

+ Product Details Size – 12" X 4" is the size for the duct opening (floor/vent hole) measurement only

controlled by a switch

+ Product Details Size – 8" x 20" or 20" x 8" is the size for the duct opening measurement only

This versatile diffuser is adaptable to various airflow needs

14" X 8" [Duct Opening] 3-Way Air Vent Adjustable Aluminum Curved Blades Integral Multi-Shutter Damper HVAC Diffuser [Outer Dimensions: 15.75"W X 9.75"H] Color_Red Oak Wood actual front end outer dimensions+ Product Details Size 14"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are 15. 75" width X 9. 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