TO QUICKLY SWITCH TO MAXIMUM BLOWING FORCE. Extra pressure on the trigger switch of your STIHL blower immediately activates maximum blowing force. This happens regardless of the pre-selected power level and without having to change your grip position.
![Boost function](/content/dam/stihl/mam/ausstattungsmerkmal/025d0f89d2ac42149e1a16d368084437.jpg)