It has an anti vibration system and an airflow of 3.5m3/min. It is easy to service and offers excellent cleaning efficiency. Ergonomic designed handle for user-friendly operation User-friendly design for easy operation with max working comfort. Bosch GBL 620-Watt Air Blower (Blue) Cleaning of all appliances and difficult to reach areas by distance blowing the cut materials and wastes away from the job area to have clean view. It also helps work further air drying after paining, water washing and surface treatment. Easiest and most convenient fixing of nozzle and dust bag. It has Ideal power-to-weight ratio