Sinlge-phase industrial vacuum with Brushless motor (115-Volt).nClass II, Div. 2, Groups F,G certified for combustible dust.nCompact & mobile, it comes with an antistatic polyester class M cartridge (6ft2), and HEPA filter (H14 with 99.995% efficiency).nThe 3-gal collection unit is made of a stainless steel tank.