12" X 12" [Duct Opening] 3-Way Air Vent Adjustable Aluminum Curved Blades Integral Multi-Shutter Damper HVAC Diffuser [Outer Dimensions: 13.75"W X 13.75"H] w25h25 actual front end outer dimensions

actual front end outer dimensions are approximately 28 5/8" width X 20 5/8" height

actual front end outer dimensions are approximately 14 5/8" width X 36 5/8" height

Built-In Locking System – Comes with a permanently attached eight-tumbler lock and a supplied key for added security

actual front end outer dimensions are approximately 12 5/8" width X 16 5/8" height

+ Product Description Maximize the efficiency of your ventilation system with our top-of-the-line HVAC grilles and registers

12" X 12" [Duct Opening] 3-Way Air Vent Adjustable Aluminum Curved Blades Integral Multi-Shutter Damper HVAC Diffuser [Outer Dimensions: 13.75"W X 13.75"H] w25h25 actual front end outer dimensions+ Product Details Size 12"w X 12"h is the size for the duct opening measurement only, actual front end outer dimensions are 13. 75" width X 13. 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