Colibri Premium Butane is the cleanest butane available. Colibri butane is processed in world-class refineries and canned in only the cleanest environment possible, resulting in fuel so pure -less than 6 parts per million!- that it does not require repeated filtering to remove the unwanted matter and contaminants. *99.9994% level of purity *The Cleanest Butane Available *Will not affect the flavor of your premium cigar or tobacco *Premium butane gas