10" X 10" [Duct Opening] 1-Way Air Vent Adjustable Aluminum Curved Blades Integral Multi-Shutter Damper HVAC Diffuser [Outer Dimensions: 11.75"W X 11.75"H] RV Mobile Home [Outer Dimensions: 38

[Outer Dimensions: 38

Universal Fit – Measures 6-1/4" wide x 4-3/4" high x 3" deep

actual front end outer dimensions are approximately 16 5/8" width X 32 5/8" height

Secure Locking Mechanism – Features a permanently attached eight-tumbler lock with a supplied key for added security

Experience enhanced indoor comfort with our 8" Radial Damper

10" X 10" [Duct Opening] 1-Way Air Vent Adjustable Aluminum Curved Blades Integral Multi-Shutter Damper HVAC Diffuser [Outer Dimensions: 11.75"W X 11.75"H] RV Mobile Home [Outer Dimensions: 38+ Product Details Size 10"w X 10"h is the size for the duct opening measurement only, actual front end outer dimensions are 11. 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