Description Industry's best combination of air speed and air volume. Key Features 63.3 cc professional-grade, 2-stroke engine 756 CFM and 234 MPH Exclusive vented back pad for user comfort in hot weather Padded backrest and shoulder straps for comfort Side-mounted, heavy-duty, dual-stage air filtration for long life Variable speed hip-mounted throttle with cruise control for convenience Specifications Type: Backpack Air Volume (cfm-pipe): 756 Engine Displacement (cu in): 63.3 Maximum Air Speed (mph): 234 Carburetor: Diaphragm dB(A)1: 74 Starting System: Standard Dry Weight (lbs)2: 24.5 Fuel Capacity (fl. oz.): 68.3 Consumer Warranty: 5 years See-Through Fuel Tank: Standard Commercial Warranty: 2 years Helper Handle: Standard Rental Warranty: 90 days NOTES:1 Per ANSI B175.2-2002 2 With standard pipes