Rated for continuous pickup of chips, dust, and powders, the DS 2720 vacuum maintains clean, dust-free workplaces. The vacuum features heavy-duty self-locking casters, a full handlebar, and fiberglass-reinforced housing. It's easily maneuverable and can be used for vacuum-assist grinding and point of source extraction. The dust-release filtration system eliminates premature filter clogging while being 99.9% efficient at 0.5 micron. Ruwac Industrial Vacuums. 413-532-4030. www.ruwac.com