14" X 8" [Duct Opening] 1-Way Air Vent Adjustable Aluminum Curved Blades Integral Multi-Shutter Damper HVAC Diffuser [Outer Dimensions: 15.75"W X 9.75"H] Powder Coated Rigid Built For External Use–

Rigid Built For External Use– The sturdy and rigid design features noise free components that eliminates vibration and excess noise to the louvers

flex-shrink: 0

+ Product Details Size – 10" x 30" or 30" x 10" is the size for the duct opening measurement only

Actual Filter Size – 31 3/4"w x 29 3/4" x 1"

14" X 8" [Duct Opening] 1-Way Air Vent Adjustable Aluminum Curved Blades Integral Multi-Shutter Damper HVAC Diffuser [Outer Dimensions: 15.75"W X 9.75"H] Powder Coated Rigid Built For External Use–+ 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