The TB2BP backpack leaf blower from Troy-Bilt® offers the power and convenience you desire with a 27cc 2-cycle full-crank engine. Its backpack design allows for reduced operator fatigue and fits the shape of your hips and reduces pressure points. It features high volume air flow/velocity (445 CFM/145 MPH) for efficient clean up. Its SpringAssist' technology allows for easier pull starts, while the JumpStart eliminates pull starts with the push of a button. The variable speed throttle with cruise control settings provide greater control and ease of use. The TB2BP backpack leaf blower comes with an ergonomic tube-mounted throttle lever for easy operation. Includes 2-cycle engine oil and a 2-year limited warranty.