Backpack Blower Fuel Type Gas Max Air Flow 651 cfm Max Air Speed 233 mph 74 dBA Weight 25 lb. Engine Displacement 63.3cc 2 Stroke Engine Speed Control Variable Fuel Tank Capacity 68.3 oz. Includes Powerhead Pipes Handle Operators Manual 2 Stroke Oil Blowers and Vacuums Item Backpack Blowers and Vacuums Power Type Gas CARB Compliant Yes Vacuum Function No Blowers and Vacuums Air Speed Range Greater than 225 mph Blowers and Vacuums Air Flow Range Greater Than 600 cfm