[. . . ] A17 EXP Hazardous Location Vacuum Want to learn more about combustible dust? [. . . ] · All stainless steel construction including container, filter chamber and trolley. · Static grounding wire to ensure a high level of conductivity for static dissipation. · Optional HEPA filtration ensures 99. 97% of particles are retained, down to and including 0. 3 microns. · Antistatic filter with large surface area and external filter shaker guarantees high filtration efficiency and prevents premature clogging. · Non-sparking conductive accessories are available to meet a wide range of hazardous cleaning needs. · For more information on combustible dust preventative maintenance, visit our focus site, www. explosionproof-vacuum. com. [. . . ] dB(A) mm gallons inches pounds inches feet 56 177 240 21 60. 2 78 70 26 34 x 27 x 54 150 3/4 20 Airline, length Nilfisk-Advance America, Inc. , 740 Hemlock Road, Suite 100, Morgantown, PA 19543 / Toll Free: 1-800-645-3475 E-mail: questions@nilfisk. com / Web: www. NilfiskIndustrialVacuums. com [. . . ]