110 CFM Power Crawl Space Fan

The Tjernlund UnderAire Series V1 Crawl Space Ventilator is designed to circulate fresh outdoor air underneath homes and porches. Excessive humidity levels in Crawl Spaces is the leading cause of premature rotting of support columns, joists, floors and beam supports. Humidity can promote fungus growth and increased termite activity. Humidity may also cause plumbing failures due to rust and corrosion. Constant operation helps vent radon gases, treated wood off-gassing and other odors that might migrate into living areas.”,”highlights”:[“Galvanized steel construction offers rust resistance”,”Reduces moisture that can cause damage by fungus and corrosion”,”Comes with a 1-year warranty”