8" X 8" [Duct Opening] 4-Way Air Vent Adjustable Aluminum Curved Blades Integral Multi-Shutter Damper HVAC Diffuser [Outer Dimensions: 9.75"W X 9.75"H] ceiling guaranteeing efficient ventilation throughout your

guaranteeing efficient ventilation throughout your space

+ Product Details Size – 36"w X 16"h is the size for the duct opening measurement only

This Will Create A Cycle Of In And Out Air FLow

Actual Filter Size – 19 3/4"w x 25 3/4" x 1"

8" X 8" [Duct Opening] 4-Way Air Vent Adjustable Aluminum Curved Blades Integral Multi-Shutter Damper HVAC Diffuser [Outer Dimensions: 9.75"W X 9.75"H] ceiling guaranteeing efficient ventilation throughout your+ Product Details Size 8"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are 9. 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