Suitable for heavy duty clearance work, the massive power generated by its 63.3 cm³ engine translates to an incredible maximum airflow of up to 1290 m³/h at speeds of 104.6 m/s. Designed to be ergonomic with intuitive controls that are easy to access. The PB-770 features anti vibration technology as well as a ventilated back pad for operator comfort and an easy access heavy duty air filter to ensure dust and debris do not enter the engine.