This description is for a range of solar powered air purifiers. These purifiers are designed to help improve the air quality in your home or office by removing pollutants, allergens, and other airborne particles. They are powered by solar energy, making them an eco-friendly and cost-effective
From Wikipedia
An air purifier or air cleaner is a device which removes contaminants from the air in a room to improve indoor air quality. These devices are commonly marketed to people with allergies or asthma, and at reducing or eliminating second-hand tobacco smoke.