Master Flow Green Machine 8 in. H X 28 in. W X 28 in. L Black Plastic Solar Power Roof Vent

The Master Flow 750 CFM Low Profile Solar Powered Roof Mount Exhaust Fan will help remove excess heat and moisture from your attic to protect your roofing system from premature deterioration and its low profile design enhances to appearance of your finished roof. The Solar Powered fan requires no wiring and uses no electricity. Hot attic air is removed from the attic by the fan as fresh air is drawn into the attic through your existing intake vents. The 24 volt DC brushless motor provides airflow up to 750 CFM and requires no maintenance. The impact resistant, 20-watt solar panel helps withstand hail and foreign object impact. Recommended usage for this unit is one unit per 1000 sq. ft. of attic space with a minimum intake ventilation of 560 sq. in. of net free area.