The Exair Heavy Duty HEPA Vac is a 110-gal, HEPA-quality, industrial vacuum cleaner. The pre-filter stops larger particles, while the HEPA filter removes the smaller matter. All filters are tested for minimum 99.97 percent filtration at the 0.3 micron level to meet HEPA standards in strict accordance to IEST-RP-CC-007. The vacuum moves more material with less wear and produces only 82 dBA of sound. The system comes complete with the Heavy Duty Dry Vac, lever lock drum lid, shutoff valve, pre-filter, HEPA filter, 10' (3m) static-resistant hose, hose hanger, 1/2 NPT quick connects coupling, 20' (6m) compressed air hose, pressure gauge, heavy duty aluminum tools, tool holder, drum dolly and 110-gal drum.