Master Appliance 11799 Ultratane Butane, 3-3/4-Ounce, 106-Grams - Pack of 4
Recommended fuel for all Master butane powered products. Triple refined formula reduces clogging of filters. Special vapor pressure promotes consistent ignition. Contains no CFC's.  3 3/4 oz size is under the hazmat limit to avoid haz mat shipping charges. Comes in a 4 pack of 3 3/4 oz canisters.