This unit features a removable working table and installed UV lamps. Whenever a vibration-free operation is required, the table can be moved easily. A high-efficient HEPA filter removes the dust with 99.7% efficiency (on particle of 0.3?). The UV lamps and air-path in back of panel sterilize incoming air. It is automatically turned off when a glass door is opened or a fluorescence lamp is turned on. Many of the functions are installed for the operator’s convenience: light source, power outlet, water line, gas line, etc.