Designed to mount behind an existing gable vent. Features a 25 watt remote mounted, high-efficiency solar panel, 15 feet of shielded wiring, and low profile mounting brackets. Unit comes standard with corrosion resistant zincalume alloy vent housing, ultra-quiet 14 inch fan, and thermal switch. Gable fan is rated for 1550 CFM maximum airflow and can effectively ventilate an attic space of up to 2200 sq. ft. LIFETIME WARRANTY THROUGH MANUFACTURER!