110 CFM Power Crawl Space Fan Porcelain Tile Chuck type keyed

Chuck type keyed

Landscaping rock and stone is the perfect addition to any landscape

carbide blade can cut 2 x 4 s at a 45° angle in a single pass

Clear flashing to match different panel colors

110 CFM Power Crawl Space Fan Porcelain Tile Chuck type keyedThe 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