Designed to handle the toughest of cleaning jobs, Nortech 55 Gallon Drum Vacuums are ideal for vacuuming up chips, dust, debris, liquids or sludge. Powered by compressed air, always dependable and trouble free with no motors or moving parts to wear out, Nortech Drum Vacuums generate exceptional vacuum lift and vacuum flow while operating quietly and efficiently. Very high vacuum lift (D Venturi) and high vacuum lift (B Venturi) versions available. Kit includes the most popular vacuum attachments and accessories. Factory installed options include Liquid Shutoff Assembly, HEPA Filtration, and Extra Silent Exhaust. Comes with 3/4-inch by 20-foot air supply hose with Chicago-style connectors and a 20-foot standard-duty vinyl vacuum hose. Attachments include a detachable, 12-inch wide metal wet or dry floor tool with 4-foot steel wand and a 24-inch metal crevice tool. Venturi type B. Features single Venturi vacuum generating head with exhaust silencer, standard cartridge filter, air shutoff valve with 3/4-inch FNPT inlet and Chicago-style connector, detachable drum dolly with four 3-inch polyolefin swivel casters, and heavy-duty, 20 gauge, 55 gallon steel drum.