18 in. x 9 in. Silver Galvanized Steel Crawl Space Fan Vent Polyester Brush Powerful Duramax 7 HP engine

Powerful Duramax 7 HP engine with low oil shutdown

Specification Details Insulation Type Fiberglass batt R-Value R-13 Facing Kraft faced (vapor retarder) Dimensions (each batt) 93 in

textured surface for a comfortable feel

modern farmhouse vibe

40 in Certifications and Listings cUL Listed Manufacturer Warranty 5 Year Warranty on Tools

18 in. x 9 in. Silver Galvanized Steel Crawl Space Fan Vent Polyester Brush Powerful Duramax 7 HP engineThe 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,