Model GM 80 vacuums are ideal for laboratory and cleanroom maintenance

Portable units feature four-stage graduated filtration system that includes a high-filtration 8.5L (2.25gal.) disposable bag, a main filter that retains 99.8% of particles down to 3µm, a microfilter that retains 99.5% of particles down to 2µm, and a HEPA or ULPA exhaust filter. The HEPA-filtered version retains 99.97% of all particles down to 0.3µm in size. The ULPA-filtered version retains 99.999% of all particles down to 0.12µm in size. Total filter area (including paper bag, main filter, microfilter, and HEPA or ULPA filter) is 9529cm2 (1447in.2). Filters are standard cotton type. Motor is grounded, GMPJ. Smooth metal canister ensures easy decontamination. With detachable trolley, units fit compactly on or below any laboratory table.