The ECHO X Series PB-7910H expands ECHO’s line up of commercial-grade, high-performance backpack blowers by offering increased power at a lower price point than competitive models. Equipped with a 79.9cc 2-stroke engine, it delivers an impressive 835 CFM of air volume, air speeds up to 240 MPH, and 40N of blow force, providing competitive blowing performance that helps reduce cleanup time.