2BV Corrosion-Resistant Vacuum Pump - High Cost-Performance, Reliable Quality, Unique Structural Design, Noise Level Less Than 50dB, Multiple Models Available for Selection, Meets Various Laboratory Needs, Lowest Vacuum Pressure Up to 2mbar. Features Overheat Protection Design - In case of excessive body temperature, the pump will automatically shut down and restart to normal temperature, ensuring system stability and safety. Customers can also choose a Corrosion-Resistant Vacuum Pump with Pressure Regulating Filter to prevent solid impurities from entering the pump chamber and adjust the appropriate pressure. Product Model: Diaphragm Type - Two-Stage Pump, Lowest Vacuum Pressure (mbar): 8, Suction Speed: 34L/min, Power (W): 190, Weight (kg): 12.6, Noise (dB): 60.