The best-performing blower in its class. The PB-580H backpack blower with hip-mounted throttle is designed for the oversized demands of professionals. From light mowing cleanups to wet, heavy leaves, it provides all-day productivity and all-day comfort. The ECHO PB-580H gas leaf blower features a 58.2 cc professional-grade, 2-stroke engine with a hip-mounted throttle. This lawn blower not only delivers 517 CFM and 216 MPH blowing performance, but also offers a combination of comfort and dependability. The unique vented backpack featured on this yard blower circulates air around the user for increased comfort in hot weather.