Neutralization of electrostatic charges at workstations through "overhead" assembly - Built-in cleaning brush for emitter electrodes built-in cleaning brush for emitter electrodes - blower consisting of three fans with infinitely variable speed control and switchable heating element (comfortable air temperature) - external blower with diffuser - separately switchable, built-in workplace lighting (2 x 13 W fluorescent lamps) - self-balancing of the offset voltage to +/- 5 V - ionization based on high voltage (AC alternating voltage technology) - ozone generation 0.02 ppm (distance 30 cm)