the little plastic hose with two tubes with red bob on top you mean? i used it to fill fuel in the generator, its pretty common, you might even find it at hyper star maybe in garden or car section, otherwise try saddar, once you buik up the pressure it will continue sucking , though you can't use it to siphon fuel out of a car tank, as the fuel filler of a car has many curves and all you'll suck are fumes