Check the listing for details. Coleman 440G Isobutane Fuel Butane Propane Mix Large Canister Camping Survival. Condition: New. Listed at 29.99 USD. Coleman 440G Isobutane Fuel Butane Propane Blend. Condition is New. Ground shipping to Lower 48 only. On your next backpacking trip, get your meals served up in no time using this easy 'twist on' Self Sealing Fuel Cartridge. Compatible with both the Coleman Peak 1 Trekking Stove and Fyrelight Trekking Stove, all you need to do is remove the lid, twist onto your stove and start cooking. When finished detach it from the stove, seal it up and pack it away, ready for use again at your next meal. The COLEMAN® range of cartridges, cylinders and fuel accessories power COLEMAN® stoves and lanterns. The COLEMAN C500 Performance gas cartridge offers 440 g (70/30) butane/propane gas mixture in threaded self-sealing cartridge with safety valve. The extremely flammable gas is under pressure and may explode if heated. So extreme care should be given in handling with the gas! The Self-sealing Gas Cartridge Performance C500 440g by COLEMAN is compatible with all COLEMAN resealable appliances.