Bosch GBL-800E 820-Watt Vari-Speed Air Blower (Blue and Black) Cleaning of all appliances and difficult to reach areas from the distance Blowing the cut materials and wastes away from the job area to have clean view and work further Air drying after paining, water washing and surface treatment. ariable speed dial wheel for easy flow speed adjustment Ambidextrous lock on and hand grip design suitable for left/right handed users Easiest and most convenient fixing of nozzle & dust bag.Usage: 1. Intended usage – Refrigerator and Air Conditioner cleaning. 2.Industrial and electric machines maintenance in Rice/ pulse/ cotton mills, can be used by installers, assemblers 3.Secondary Application – Suction mode with restricted application, cleaning car interior