The all-in-one backpack blower that combines power, fuel efficiency, and durability. Model Features Built in the USAA majority of STIHL gasoline-powered units sold in the United States are built in the United States from domestic and foreign parts and components. More Information Throttle Trigger Lock with Built-In Momentary Stop SwitchThe built-in stop switch allows the user to turn off the engine with a simple press of the button or lever. When the engine is off, the throttle lock automatically returns to the “start” setting. Your power tool will be ready to be started when you’re ready to get back to work. Purge Pump PrimerThe purge pump primer feature enables the user to prime the carburetor with fuel, enabling easier starting. The purge pump primer is designed in a way that the operator cannot flood the machine by priming the carburetor too many times. Flooding the engine is still possible if the choke is not removed after the engine fires. Reduced-Emission Engine Technology - Caring for NatureThe STIHL Inc. “Caring for Nature” seal identifies its powered products that are more environmentally conscious, producing zero or low exhaust emissions. STIHL Inc. defines “low exhaust emissions” as being cleaner than EPA and/or CARB exhaust emission standards. More Information Multi-Function Control HandleHaving easy access to all of the controls on one comfortable handle makes it easy to complete tasks so the operator’s hand never has to leave the handle. Anti-Vibration SystemThe STIHL anti-vibration system helps reduce operator fatigue and provides a more comfortable working experience. Adjustable Support HarnessSTIHL backpack blowers and sprayers are equipped with an adjustable support harness that distributes weight evenly across the shoulders and back, reducing user fatigue.See it in action! BR 600 Specifications POWER SOURCE Gas WEIGHT 21.6 Ibs. BLOWING FORCE 32 Newtons SOUND PRESSURE RATING 75 dB(A) MAX. AIR VELOCITY 238 mph AIR VOLUME AT NOZZLE 677 cfm ENGINE POWER 3.8 bhp FUEL CAPACITY 47.3 oz. DISPLACEMENT 3.95 cu. in.