Heavy Duty Vacuum Pumps, Motors, Motor Starters, and Intake Filters ONLY. The unit comes complete with two (2) direct driven, 10 horse power motors and operates on 230 or 460 VAC, 3 phase, 60hz motor and a manual electric motor starter (230 or 460 VAC). The system is designed to run continuously, displace 360 CFM, and operate at 29+ inches of mercury. In addition, each pump has a circulating lubrication system and removes 99.9 percent of the lubricating oil from the exhaust. The unit comes with a manual electric motor starter (230 or 460 VAC), a spin-on filters, and an intake filters. The system weighs approximately 1,100 pounds.