Rotary vain vacuum pump oil sealed and ideally suited for use in education. This unit is relatively quiet in use and can be operated for long periods of time robust and engineered for school use. The large oil capacity of 350ml provides for long operation between oil changes. The oil level site glass is incorporated so that the oil can be monitored.Ultimate Vacuum: 25 microm approx. 3PaAir Displacement: 40Lt\MinDimensions: 330mm x 135mm 255mmWeight: 9.8kgVacuum Pump Oil is available to purchase separately (B8R04860).