Neutralization of electrostatic charges at workstations through "overhead" mounting - Built-in cleaning brush for emitter electrodes - Blower consisting of two or three fans with infinitely variable speed control - Key switch for locking the blower setting - Self-balancing of the offset voltage to +/- 5 V - Ionization based on high voltage (AC alternating voltage technology) - Dimensions W x H x D:810 x 100 x 170mm - Version:2 blowers