Husqvarna 356BT 51.7cc 2-Stroke Gas Powered 177 MPH Quiet Back Pack Blower Minimal noise with a gentler tone. The engine, fan housing and insulation reduce noise dramatically. The powerful and easy to start engine in combination with efficient fan design delivers high air speed and air flow. Comfortable, ventilated and load-reducing harness with hip belt and wide shoulder straps. Centrifugal air cleaning system removes larger dust and debris particles before reaching the air filter which results in reduced air filter cleanings and improved engine life. CARB Compliant Purchase this Husqvarna handheld item along with 3-32 ounce cans of Husqvarna pre-mix fuel, register your product online, and your consumer warranty will be extended from 2 years to 4 years