Air Vent 17.8 in. H X 20 in. W X 20 in. L X 12 in. D Mill Aluminum Brace Turbine LED INDOOR FIXTURES Triple option universal fits all

Triple option universal fits all doors square Corner round Corner or drive-in preps

ensuring optimal visibility during various weather conditions

Bring elegance to your home with premium selections from Moen

Self-energizing lower jaw provides 3X more grippin

Capacity: 20-pound

Air Vent 17.8 in. H X 20 in. W X 20 in. L X 12 in. D Mill Aluminum Brace Turbine LED INDOOR FIXTURES Triple option universal fits allA 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