Equipping professional landscapers with the muscle they need to tackle tough jobs, the Greenworks® Commercial 82V 690 CFM Dual Port Backpack Blower isn't your average backpack blower. This powerhouse leverages Greenworks®'s cutting-edge cyclone force technology to create a turbine-blowing force that rivals a 63 cc gas-powered engine. But unlike its gas-guzzling counterparts, this blower is all about efficiency and user comfort.