MDL55E-XP: Drum-Top Industrial Vacuum Cleaner for Class II, Group F&G Combustible Dust Environments – Electric Powered! VAC-U-MAX’s latest explosion-proof electric-powered industrial vacuum cleaner that does not require compressed-air, and the only electric powered explosion-proof system available in 55-gallon capacity. Unit runs on 110V with 1hp motor and features a manual filter shaker with all parts designed in anti-sparking stainless steel per NFPA requirements. The MDL55E-XP also features a vacuum equalizer kit that allows the use of off the shelf static conductive collection bags. System is ideal for all combustible dust cleaning applications including grain elevator and agricultural packaging applications.