he Hyper Tough 53cc Backpack Blower makes yard cleanup quick and easy. The powerful leaf blower is designed for your lawn care. It comes with a full crankshaft engine which reduces emissions and provides much better durability compared with half crankshaft engine. This blower delivers the best-in-class air power at 855 CFM and 175 MPH. The 3-point spring anti-vibration and tool-less air filter provides the best user experience over other blowers on the market. The ventilated backpack frame evenly distributes weight on the user and provides ventilation for better air circulation.