Air Vent 17.8 in. H X 20 in. W X 20 in. L X 12 in. D Mill Aluminum Brace Turbine CARPET SWEEPERS this traditional design with keep

this traditional design with keep your room fresh and revitalized for years to come

Protective coating helps prevent scratching and ru

Provides a mirror-like finish

High water alarm and power-out notification

Made with Professional Grade materials

Air Vent 17.8 in. H X 20 in. W X 20 in. L X 12 in. D Mill Aluminum Brace Turbine CARPET SWEEPERS this traditional design with keepA non electric alternative to ventilation, these vents use the natural force of wind and air pressure to spin and vent out stale attic air. They do it with a series of specially shaped vanes that catch the wind and provide rotary motion. This pulls hot, humid air from the attic. Turbine vents provide a low cost ventilation alternative in areas where wind speeds of at least 5 mph are typical. SPECIFICATIONS Maintenance free dual bearing system