For wet and dry vacuum cleaner. Bypass - Motor i.e. separate intake and cooling air, the lower part is sealed off and the electrical equipment is cooled by a built-in cooling fan. Tangential air outlet, i.e. The intake air is blown out through the side tube. Overall height 166 mm, height 90 mm turbine, turbine diameter 144 mm. Attention !!! To connect Red = + Black = -