"This Tanaka Handheld Blower makes cleaning up leaves, small rocks and debris a breeze. Great for general and light landscaping use. Powered by a 23.9cc commercial-grade 2-stroke engine produces 170 MPH airflow at 441 CFM. Air Velocity MPH 170, Air Volume CFM 441, Noise Level dB 69, EPA/CARB Approval California Air Resource Board Yes, Cylinder Displacement cc 23.9, Power Source Gas, Blower Type Handheld, Tool Weight lbs. 8 2/3. Large throttle lever Operates at a 69 dB noise level"