Battery Blower GBL 18V-120. The GBL 18V-120 Professional battery blower from the 18V range makes cleaning tasks a breeze. With an airspeed of up to 270 km/h, it delivers power and achieves excellent results when cleaning surfaces. The blower can be used for cleaning work areas, clearing drill holes, or for a variety of other applications. Additionally, its compact and balanced design ensures easy handling and added control. The device is compatible with all Bosch Professional 18V batteries and chargers (Professional 18V System). The GBL 18V-120 Professional can be used at two different speeds as needed. It offers two speed options and comes with 4 accessories (nozzle, extension tube, deep hole nozzle, dust collection tube).