With high air throughput, the STIHL BR 450 backpack gas-driven leaf blower is ideal for professionals in horticulture and landscaping and in local authorities, and for cleaning large areas of leaves, hedge trimmings and debris. The powerful STIHL 2-MIX engine offers high blowing power, enabling you to dispose of leaves very efficiently. The single-handed multi-function handle allows you to operate all the engine control elements of the STIHL BR 450 easily and safely. With the locking throttle lever with stop button, you can lock the blowing force in any preferred position on an infinitely variable basis. The stop button makes it easy to stop the blower in such a way that it is ready to start again immediately after a break, at the push of a button. The telescopic blower tube with round nozzle can be continuously adapted to your height and the respective requirements. There is also tool-free handle position adjustment.