• Two models with different working table width: MN 090: 89 cm. MN 120: 119 cm • Microprocessor control system with digital display for air flow speed • Two HEPA filters with 99.999 % efficiency for particles ? 0.3 µm • Automatic speed compensation system against clogged filter • On/Off switch with key lock • Alarms for: Power failure, control system failure, open window, low and high air flow speed, clogged filters • Perfect air tightness of window seal by means of gas spring assisted window • Comfort of usage with very quiet blower and high light intensity • Smooth chamber walls and rounded corners without soldering for easy cleaning and decontamination • Stainless steel and removable 3 parts work table • DOP test inlet, elapsed time counter and 2 power sockets as standard • EN 12469 Certificate for MN 120