The Purifier Clean Bench provides Class 100 air in the work area, protecting materials from airborne particulate contamination. A HEPA filter removes 99.99% of all particles 0.3 micron in size. A Minihelic II pressure gauge gives continuous information on filter loading. The cabinet is constructed of epoxy-coated steel with a plastic-laminate work surface. Unit includes blower motor, fluorescent light and electrical outlet. Service fixtures are available as options. Shipped assembled, with 3-wire cord and plug. 110V, 60Hz.