The GBL18V-71B Blower has a 71-cfm rating with an airflow speed of 167 mph. The cordless blower runs on Bosch’s 18V battery platform and has a runtime of 54 minutes at low speed and 30 minutes at high speed. It comes with three nozzle attachments, including a debris-collection tube. Sporting an erogonomic handle, the tool weighs only 2.4 lb without the battery attached.