Xikar Premium Butane Refill 250ml/138g. Be sure to use Xikar Gas Refill in your Xikar lighter. Xikar firing devices require clean butane. Use of other brands of butane with unknown levels of contamination and pressure can clog the butane feeding system which affects performance.  included additonal charge due to these items being classed as 'dangerous goods'. Delivery takes approximately 48 hours This item is not available for next day delivery.  Important notice: Gas refills are classified as "Dangerous goods" and can be shipped only by TNT special service. Depending on your location there may be an additional postage charge.