18 in. x 9 in. Silver Galvanized Steel Crawl Space Fan Vent Crushed Stone lower drawer is double height

lower drawer is double height

more wiring bend space than previous design

03 Style Craftsman Warranty None CA Residents: Prop 65 Warning(s) Yes UNSPSC 30241600 ARB265W Exclusive No

Collection Name N/A Common Height (Inches) 33

688 Product Width (in

18 in. x 9 in. Silver Galvanized Steel Crawl Space Fan Vent Crushed Stone lower drawer is double heightThe 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,