50W Solar Attic Fan Kit with 14″ DC Fan for Roof Vent, Coop, Greenhouse
【 Highly Efficient 】- High flow solar powered attic fan turns on as soon as the sunlight hits the solar panel and turns off at night. 【Compact and Powerful DC Fan】 – When the sun shines on the solar panel, the fan will automatically start to run, if not, it will stop.