NEON multi-fill ultra butane refined fuel will keep your Flex Necks, Candle Lighters, Outdoor Utility Lighters, and Torches working at their best. 1. Ultra refined2. Universal gas lighter refill3. 10.14oz or 300mL4. Includes 5 adapters for any stem valve5. Premium Butane, Near Zero Impurity6. Heats up to 2,500°F/1,370°C