30W Solar Powered Attic Roof Wall Air Ventilation Exhaust Fan

30W Solar Powered Attic Roof Wall Air Ventilation Exhaust Fan. Durable Material Construction: Made of aluminum and 304# stainless steel for non-corrosive, leak-proof performance. Long Lifespan Motor: DC brushless motor with a 50,000-hour lifespan and whisper-quiet operation. Extended Warranty Coverage: Motor covered for 5 years and other parts for 10 years. High Airflow Capacity: Moves up to 1800 CFM to effectively improve air circulation and reduce heat. Energy Saving Efficiency: Reduces air-conditioning heat load to save money and extends roofing lifespan. UL Certified Thermostat: Auto turn-on at 80 degrees and turn-off at 68 degrees with UL certificate. OEM and ODM Accepted: Custom logo printing and design services are available for orders. Versatile Installation: Suitable for both roof-mounted and wall-mounted installation in all rooms.