Master Flow 500 CFM Solar Powered Roof Mount Attic Fan

The Master Flow ERVSOLAR Solar-Powered Roof-Mount Attic Fan will help remove excess heat and moisture from your attic to protect your roofing system from premature deterioration. The Solar Powered fan requires no wiring, uses no electricity and works with your existing intake vents to help lower the temperature in your attic. The 24-Volt DC brushless motor provides airflow up to 500 CFM and requires no maintenance. The impact resistant, 10-Watt solar panel has a tilt and swivel design to provide ideal sun exposure. Recommended usage for this unit is 1 unit per 800 sq. ft. of attic space with a minimum intake ventilation of 240 sq. in. of net free area.