Designed for use with FLAT TILE or SHINGLED roofs. Features a 20 watt attached solar panel, self-flashing, corrosion resistant zincalume alloy vent housing, ultra-quiet 14 inch fan, thermal switch, and rodent guard. Attic fan is rated for 1350 CFM maximum airflow and can effectively ventilate an attic space of up to 1950 sq. ft. Unit ships with unpainted finish that can be customized to match your home's outside decor. LIFETIME WARRANTY THROUGH MANUFACTURER!