Considering that the Stainless Steel Solar Vent can run for 48 hours in the dark, even in the winter hours, you're looking at a silent, cost-effective solution to areas that tend to have condensation or mold problems. Also, with it being solar powered you don't have to do any wiring. It can be set on intake, allowing you to circulate fresh air into those dusty computer rooms without sacrificing a precious wall socket. $130 USD and no mains charges after [GT]
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