Vector Butane Vector Formula-14 Butane Gas Refills are specially formulated and cold-filtered through a 14 step process for Maximum Purity. Formula-14 refills, will ensure to produce Optimal Performance and Yield of: Hi-Tech Vector jet torch lighters Vector Nitro Butane Torch, Vector Hyper Butane Torch, Vector Minitro Butane Torch Butane fuel powered devices Other Butane Applications requiring the cleanest butane