Neutralization of electrostatic charges at workstations via "overhead" mounting.- Built-in cleaning brush for emitter electrodes - Blower unit consisting of three fans with stepless speed control and switchable heating element (comfortable air temperature) - External blower with diffuser - Separately switchable, built-in workstation lighting (2 x 13 W fluorescent lamps) - Self-balancing of the offset voltage to +/- 5 V - Ionization based on high voltage (AC technology) - Ozone generation 0.02 ppm (distance 30 cm)