The Echo 12300002263 Leaf Blower Carburetor helps deliver the proper air-fuel mixture for smooth engine starting and consistent blower operation. Installed in the fuel and air intake system, the carburetor regulates the amount of fuel and air entering the engine according to operating demands. This mixture supports combustion and helps the engine maintain steady power during leaf and ... https://www.wholetoolbox.com/echo-12300002263-leaf-blower-carburetor-wt-410c/12300002263.html