Safely siphon fuel from any gas-powered device without getting a mouthful or lungful of dangerously deadly toxins in the process. Simply insert the self-priming end into any fuel-laden receptacle, and put the other end into the container/carrying case. A few up and down self-priming pump motions and you’ll be siphoning away. The handy stopper clip maintains the siphoning function in the off position, so there’s no need to begin the process all over again between container transfers to your tank. The included super soak towel quickly cleans up any excess spills, and everything fits neatly back into the transfer container/carrying case.