Gas-Powered Backpack Blower Power Source Gas-Powered Drive Type Not Applicable Maximum Air Flow 517 cfm Engine Brand ECHO Maximum Air Speed 216 mph Sound Level 70 dBA Function Blower Engine Displacement 58.2 cc Engine Cycle 2-Cycle Tool Weight 22.7 lb Blower Type Backpack CARB Compliant CARB Compliant Fuel Tank Capacity 62 fl oz