We offer two models of vacuum systems - professional and economy. The main difference between them is that the professional system has adjustable speed (with 3-phase inverter drive) and can work with 120/240V and 50/60Hz. Following the links below, you can read more detailed information:

Professional vacuum system

Economy vacuum system

Other Recommended Links:

Large Acoustic Cabinet
Standard Acoustic Cabinet
Large Vacuum Table
Standard Vacuum Table
Vacuum Generator