14″ 40W Solar Attic Fan for Roof Ventilation with IP68 DC Motor

Photo voltaic Roof Ventilator (Round Housing Cap) Runny Freely in Working day Time
12W polycrystalline solar panel (365x365x25mm),
18V brushless DC motor,
12” Aluminum admirer blades (air duct dia. 315mm),
round form fan protect, sq. shape admirer foundation,
dimensions: 530x530x250mm,
perform time: sunny working day several hours, when sunlight is CZPT