Description: Keep the Air Clean: These solar panel fan kit can keep the air clean, help you eliminate the smell of pets and oil fume, etc, suitable for greenhouses, pet houses, tree houses and rvs, etc. Solar Power Fan: Outdoor solar panels can effectively convert sunlight into electricity and clean energy, it can save energy, provide a long service time. Dual Fan Air Extractor: These solar panel fan kit include 10W solar panel and 2 pcs fans, dual fan can push out the hot air and push in the cold air more effectively, thus lowering the room temperature and keeping the air fresh. .