Features a heavy-duty, cast aluminum, four blade jet design that is versatile for a wide range of applications. Can be used either as a blower or an exhauster, and is well-suited for the removal of hazardous fumes or contaminated air from applications such as welding or sand blasting in confined areas. - Six turbulence-eliminating guide vanes - Operates at lower RPMs while moving more air - Heat treated to T6 aircraft aluminum specifications - Stainless steel fan guard meets OSHA standards - Use for general ventilation - Grounding cable included.