6" X 6" [Duct Opening] 1-Way Air Vent Adjustable Aluminum Curved Blades Integral Multi-Shutter Damper HVAC Diffuser [Outer Dimensions: 7.75"W X 7.75"H] w34h34 1/2” - 3119 PSI

1/2” - 3119 PSI

actual front end outer dimensions are approximately 18 5/8" width X 12 5/8" height

+ Product Description Maximize HVAC efficiency with our aluminum eggcrate return air filter grille

[Outer Dimensions: 18

This aluminum adjustable louvered garage vent allows air ventilation and circulation in your garage 24 hours a day

6" X 6" [Duct Opening] 1-Way Air Vent Adjustable Aluminum Curved Blades Integral Multi-Shutter Damper HVAC Diffuser [Outer Dimensions: 7.75"W X 7.75"H] w34h34 1/2” - 3119 PSI+ Product Details Size 6"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are 7. 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