Eurovac SYS-070-45006100 "Boxair" Portable Fume ExtractorEurovac's mobile BoxAir filter unit is designed to capture and filter dry impurities created during welding, grinding and the cutting of metals. Meets OSHA air quality standards and increases health and safety standards by minimizing hazards that cause respiratory ailments. Standard arm measures 6" in diameter and fully extends to 10 feet. Other sizes also available on request. Self supporting joints and flexible hoses for easy placement with smooth