Motorized Backpack Mist Blower, 66.5 cc, 2.1/2.9 hp, 23.8 lbs. New 66.5 cc engine with nickel/silicon carbide cylinder coating to generate a fan air volume of max. 824 cfm for total plant penetration. Aluminum crankcase and high quality engine components for increased power output even under high temperature operating conditions. Increased engine performance converts to higher misting performance. Improved fuel efficiency and reduced emissions with modern engine technology and catalytic converter. Large 0.5 gallon capacity fuel tank combined with low fuel consumption allow long operating periods (more than 80 minutes without refueling) Quiet! Low dB(A) rating. Easy starting, effective vibration dampening. Single multi-function operating handle. Air filtering system with high performance filter, paper filter cartridge can be replaced without tools. Comfortable, backpack carrying frame and wide, padded carrying straps with ‘click’ lock. Compact size, light weight.