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Active Ventilation 12 in. Mill Finish Aluminum No Moving Parts Retrofit Wind Turbine AV-12-RF
Active Ventilation 12 in. Mill Finish Aluminum No Moving Parts Retrofit Wind Turbine AV-12-RF
Active Ventilation 12 in. Mill Finish Aluminum No Moving Parts Retrofit Wind Turbine AV-12-RF
Active Ventilation 12 in. Mill Finish Aluminum No Moving Parts Retrofit Wind Turbine AV-12-RF
Active Ventilation 12 in. Mill Finish Aluminum No Moving Parts Retrofit Wind Turbine AV-12-RF
Active Ventilation 12 in. Mill Finish Aluminum No Moving Parts Retrofit Wind Turbine AV-12-RF
Active Ventilation 12 in. Mill Finish Aluminum No Moving Parts Retrofit Wind Turbine AV-12-RF
Active Ventilation 12 in. Mill Finish Aluminum No Moving Parts Retrofit Wind Turbine AV-12-RF
Active Ventilation 12 in. Mill Finish Aluminum No Moving Parts Retrofit Wind Turbine AV-12-RF
Active Ventilation 12 in. Mill Finish Aluminum No Moving Parts Retrofit Wind Turbine AV-12-RF
Active Ventilation 12 in. Mill Finish Aluminum No Moving Parts Retrofit Wind Turbine AV-12-RF
Active Ventilation 12 in. Mill Finish Aluminum No Moving Parts Retrofit Wind Turbine AV-12-RF
Active Ventilation 12 in. Mill Finish Aluminum No Moving Parts Retrofit Wind Turbine AV-12-RF
Active Ventilation 12 in. Mill Finish Aluminum No Moving Parts Retrofit Wind Turbine AV-12-RF
Active Ventilation 12 in. Mill Finish Aluminum No Moving Parts Retrofit Wind Turbine AV-12-RF
Active Ventilation 12 in. Mill Finish Aluminum No Moving Parts Retrofit Wind Turbine AV-12-RF
Active Ventilation 12 in. Mill Finish Aluminum No Moving Parts Retrofit Wind Turbine AV-12-RF
Active Ventilation 12 in. Mill Finish Aluminum No Moving Parts Retrofit Wind Turbine AV-12-RF
Active Ventilation 12 in. Mill Finish Aluminum No Moving Parts Retrofit Wind Turbine AV-12-RF
Active Ventilation 12 in. Mill Finish Aluminum No Moving Parts Retrofit Wind Turbine AV-12-RF
Active Ventilation 12 in. Mill Finish Aluminum No Moving Parts Retrofit Wind Turbine AV-12-RF
Active Ventilation 12 in. Mill Finish Aluminum No Moving Parts Retrofit Wind Turbine AV-12-RF
Active Ventilation 12 in. Mill Finish Aluminum No Moving Parts Retrofit Wind Turbine AV-12-RF
Active Ventilation 12 in. Mill Finish Aluminum No Moving Parts Retrofit Wind Turbine AV-12-RF

Active Ventilation 12 in. Mill Finish Aluminum No Moving Parts Retrofit Wind Turbine AV-12-RF 49174413

USD $13.50

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Active Ventilation 12 in. Mill Finish Aluminum No Moving Parts Retrofit Wind Turbine AV-12-RF
13.50
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This Vent is a perfect replacement for \"Whirlybirds\" Roof Wind Turbines which frequently stop because of corrosion. The Aura Gravity Vent Retrofit does not need to spin in order to provide excellent ventilation. Instead， it pulls hot air with its louvers because of the Venturi Effect. These vertical louvers continually exhausts air with no moving parts， while preventing rain and snow from entering. The vertical louvers also keep out insects and animals allowing for optimal air flow. In addition， the round design is aerodynamic to withstand wind speeds up to 200 mph.The Aura Gravity Vent removes hot air in the summer and moisture from the attic in the winter to provide optimal ventilation. The Retrofit Vent head will fit over an existing base of the same diameter. This allows for quick and easy installation. Upgrade and make your roof ventilation maintenance free.The 12 inch Aura Gravity Retrofit Vent is designed to replace existing attic vents. The AV-12-RF is 12 inches in diameter and has 113 inches of Net Free Area (NFA). This roof vent will fit over an existing base of the same diameter. It is a perfect replacement for turbine vent heads. Turbine vents frequently stop turning entirely due to corrosion. However， our Gravity Retrofits are made from durable rust free aluminum.

Designed to replace old turbine vents and fit over an existing base

Noiseless， does not require electricity to exhaust air from attics spaces

Leveling is not required， the aura ventilator retrofit can be installed parallel to the roof

Built-in inner vertical louvers has an 1/8 in. opening between the louvers to keep out insects， birds and squirrels from entering the vent while allowing optimal air flow and no maintenance

Will reduce attic temperatures in the summer and will keep the attic dry and cool in the winter to preserve attic insulation and prevent ice dams

Round aerodynamic design can with stand harsh weather and wind forces of up to 200 mph

Mill finish aluminum color that will continually have a long lasting clean appearance

Net free air space: 113 sq. in.

Ventilation rule 1:300 (1 per sq. ft. of attic space): 1 vent per 450 sq. ft. of attic space

Screws are not included

5-year warranty

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