18 in. x 9 in. Silver Galvanized Steel Crawl Space Fan Vent Formica FX Radiance Bulk Contractor Pack: 50-pack for

Bulk Contractor Pack: 50-pack for efficient stocking and project savings

Miter Saw: 24-tooth carbide-tipped blade improves performance with fast

A: Accessories such as end caps

Enduring Finish for Elevated Exteriors

57 Blade Diameter (in

18 in. x 9 in. Silver Galvanized Steel Crawl Space Fan Vent Formica FX Radiance Bulk Contractor Pack: 50-pack forThe Tjernlund UnderAire Series V2D Crawl Space Ventilator fan is designed to circulate fresh outdoor air underneath homesand 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 alsocause plumbing failures due to rust and corrosion. Constant operation helps vent radon gases,