10" X 6" [Duct Opening] 1-Way Air Vent Adjustable Aluminum Curved Blades Integral Multi-Shutter Damper HVAC Diffuser [Outer Dimensions: 11.75"W X 7.75"H] Copper Coil Actual Filter Size – 27

Actual Filter Size – 27 3/4"w x 29 3/4" x 1"

Locking Security System – Features a built-in eight-tumbler lock and a supplied key to prevent tampering and maintain consistent temperature settings

you can quickly adjust airflow for year-round comfort

Ideal for Walls & Ceilings: Designed for seamless installation in standard 14" X 4" duct openings

Actual Filter Size – 25 3/4"w x 7 3/4" x 1"

10" X 6" [Duct Opening] 1-Way Air Vent Adjustable Aluminum Curved Blades Integral Multi-Shutter Damper HVAC Diffuser [Outer Dimensions: 11.75"W X 7.75"H] Copper Coil Actual Filter Size – 27+ Product Details Size 10"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are 11. 75" width X 7. 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