RedMax EBZ5150RH Backpack BlowerFor the commercial operator, RedMax is easily the industry leader in terms of the selection and performance of power blowers. The EBZ5150RH backpack blower features the Strato Charged 2 stroke engine with ultra low emissions and high power. With a 50. 2 cc displacement and 2. 3 horsepower, the EBZ5150RH produces a maximum air speed of 171 MPH with tube air flow approaching 487 CFM. The Max Cooled back pad uses air from the fan housing to cool