Gas cartridge GSI Outdoors Isobutane Fuel Cartridge with a powerful mixture of isobutane, propane and n-butane. It is perfectly suited for year-round use when camping, in the mountains, or anywhere in nature. This cartridge is designed for use with all GSI Outdoors stoves. GSI isobutane Fuel cartridges are compatible with all classic gas stoves with standard screw-in.

Features:

• Ideal for camp stoves
• Isobutane/propane blend performs well all year long
• Steel housing provides durability
• Clean combustion
• Nests inside most nFORM ultralight cook systems
• Not refillable