GBL 18V-120 The GBL 18V-120 Professional cordless blower from the 18V range does cleaning work in no time at all. An air speed of up to 270 km/h provides power and achieves results when cleaning surfaces. The blower can be used for cleaning work areas, cleaning drill holes or for other diverse applications. Plus, a compact and balanced design ensures easy handling and extra control. The device is compatible with all Bosch Professional 18 V batteries and chargers (Professional 18 V system). The GBL 18V-120 Professional can be used at two speeds as needed. Offers two speeds to choose from The Professional 18V system combines ultimate performance with compact dimensions and minimal weight to make your toughest jobs easier with professional tools, our strongest batteries ever, and the fastest charging solutions. Batteries with superior heat management, longer run time and extended life support your work efficiency. Since 2008, they have been fully compatible so you can use them for both new and existing tools in the same voltage class.