NEW IN THE BOX Model # PB-2520 The top performing ECHO PB-2520 gas leaf blower is the lightest, fully featured handheld blower. The professional grade 25.4 cc engine produces 453 CFM and 170 MPH for a quick and easy clean up. The lawn blowers unique S-Pipe design reduces the gyro effect on user's wrist improving user comfort. This yard blower also offers variable cruise control to allow its operator to adjust while completing the job. * Use a 50:1 ratio of fuel to oil mix for 2-stroke cycle engines, recommend using only fresh gas with a minimum octane rating of 89 or higher (mid-grade to premium) at all times * 50:1 ratio equal 1 US Gal. 89 octane plus 2.6 fl. oz. ECHO PowerBlend Oil or ECHO Red Armor Oil * Gas leaf blower features a 25.4 cc professional-grade 2-stroke engine * Lawn blower comes with a 5-year consumer/2-year commercial warranty * Category leading blower performance * Double-grid intake design reduces clogging * Exclusive curved blower tube provides rotational control reducing fatigue * Class-leading performance * Weighs only 8.6 lbs. (dry) for reduced user fatigue * New air filter design maintains a tight seal to keep engine clean * Posi-loc pipes for a secure connection * Unique S-pipe design reduces gyro effect on users wrist for improved comfort * Variable cruise control allows user to lock throttle, reducing fatigue * Shoulder harness attachment points allow for the use of shoulder harness