The Atrix ATIHCTV5L HCTV HEPA Backpack Vacuum is an excellent economical choice where high volumes of toner, developer, soot, dry chemical spills, and other non hazardous particulates need to be vacuumed. The Atrix ATIHCTV5L HCTV HEPA Backpack Vacuum is 110 volts and features a 5-gallon capacity filter which is a resealable, disposable filter canister. Also included with this vacuum is a convenient, free-wheeling, detachable roller base. Vacuum comes with standard filter cartridge but a true 5-gallon HEPA filter is available.