UST Lucienne Quadruple-Refined Butane, 3.38-Ounce Quadruple-refined butane fuel for optimal performance of your UST Lighter Contains less impurities, burns more efficiently, and reduces clogging in your butane lighter Works with UST lighter models, including Klipp, Wayfinder, Trekker Stormproof, Delta Stormproof, and Floating Lighter