Introducing the CanadaGoGreen 4 Seasons Solar Powered Polycarbonate Vent, a weatherproof design perfect for roof mounting. This circular vent features a square shape and a black color that complements any home décor. The ventilation system is an extractor fan with one speed, providing efficient ventilation for your home. Made of durable polycarbonate material, this vent is solar-powered and has a power source of 10W. It is ideal for use in indoor air quality and fans, heating, cooling, and air improvement. This product is perfect for those looking for a reliable and weatherproof ventilation solution. U.S. buyer pays $20.00 shipping!