Husqvarna 356BT 51.7cc 2 Stroke 177 MPH Gas Powered Back Pack Blower With Tube Mounted Throttle 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. The handle can be adjusted to fit the operator and has rubber inserts for a comfortable grip.