Cleaner and more potent, Dissim Ultra Premium Performance Butane is a breakthrough in butane technology. Temperature and altitude affect its performance. It burns cleaner and helps keep your lighter's internal components from clogging because it has fewer than 15 parts per million contaminants and virtually none at all. Putting 93 Octane Gasoline in your car's tank is comparable to using this butane. Its flames are larger and more intense than other butanes, and it fills more quickly. Butane is the best fuel for your lighter, so stock up on it.