Start and stop with the push of a button. The BR 450 C-EF is the only professional backpack blower on the market with Electric Start that lets you stop and start the blower while the unit is still on your back – great for pros on the go. It also features exceptional blowing force – exceeding that of BR 550. Add to that a large fuel tank, semi-automatic choke system, and easily adjustable tube length and control handle position. Try the BR 450 C-EF for yourself at our Dealership today! *A majority of STIHL gasoline-powered units sold in the United States are built in the United States from domestic and foreign parts and components.