Solar Mega RoofBlaster Roof Vent/Fan Ventilation Solutions (Gray)

Solar-powered ventilation solution for homes, sheds and other shingled-roofed structures Easy installation especially if you are reroofing your home and before you put shingles on your structure -- can also be done after shingles are installed. 2600rpm/96cfm fan with a 5W solar panel Great ventilation solution to be paired with equal amounts of intake vents to promote uniform air movement Acts as a passive vent any time the sun is not shining on the solar panel; otherwise, the fan will boost the effectiveness of the passive vent by venting out the hot air by the power of the sun.