1. It can be use for workshops, warehouse and various kinds of attics to ventilate , to refresh and dry air .
2. The system is solar-powered . It is no need to connect the grid . It works with low DC voltage , safe and reliable .
3. Automatically control the air quantity according to the radiation of the sun , the stronger the sunlight is the more powerful the wind blows, up to 750m³/h when the temperature is above 25degree and stops below 23 degree
4. High -quality solar panel ,heat resisting , high pressure resistant ,stable ,with long service life
5.Sealed shell design ,Anti-UV material is added in the outside shell ,perfect weather fastness ,durable
6 Multiple protective device ,waterproof ,insect prevention , rat proof and sundries proof .