Designed with “Schaefer-tough” extremely durable polyethylene housing and reinforced galvanized steel wheel carriage for impact and rust resistance, and comes with OSHA guards. A single Versa-Kool® mobile fan will take the place of several lower performance fans and typically last for 10+ years. 2-Year warranty. Features and Benefits: • High-density polyethylene housing for superior impact, abrasion and temperature cracking resistance • Galvanized steel base for complete corrosion resistance inside and out • Narrow fan profile, and ergonomic pull and base handles for easy portability • Large rubber wheels mounted inside the fan profile for convenience and safety • Stacking tabs for storage and transportation savings, included on OSHA models and optional on other models • 12' Long cord and cord wrap for easy cord management • 36" = Single-speed, 1/2 hp, direct drive, 115 V motor, 11, 700 CFM • 42" = 2-speed, 3/4 hp, belt drive, 16,600/10,900 CFM