The SH56C comes with blower function as standard. Infinitely variable speed control, round nozzle, STIHL 2-stroke engine with stratified charge. A fuel-free layer of air is created between the burned charge in the combustion chamber and the fresh charge in the crankcase, reducing the amount of fuel lost during the charge cycle. Quickly convert your STIHL handheld blower to a vacuum by attaching this easy Vacuum Kit. Empty debris into your compost pile simply by unzipping the bottom. For use with BG 56 C-E, BG 66 L, BG 86, BG 86 C-E and BGE 71 models.