Cloudberry fuels don't clog burner valves thus affecting flame height and function This product can also be used to fill most butane operating gas stove, torches, candles and butane curling irons etc. Butane is a hydrocarbon, colourless, odourless, easily liquefied gas. It is typically used for Camping Stove fuel for cigarette lighters and portable stoves, a propellant in aerosols, a heating fuel, a refrigerant, and in the manufacture of a wide range of products. Our Butane canister comes with a valve as per international standards and no extra nozzles are provided with the canister.