These 300ml bottles of Special Blue butane are cold filtered 9x to remove impurities. Each cap contains various adapters that makes it compatible with virtually every lighter. These cans are filled with premium European butane gas for use with refillable lighters. Sold as a display of 12 cans. Special Blue Butane Features: Size: 300ml 99.995% Pure Butane Fuel Odourless Variable Nozzle Plastic Cap Made in UK Recommended for All Refillable Butane Lighters Display of 12 Cans What's in the Box: 12x - 300ml Special Blue 9x Butane