The big 450g gas cartridge costs around £8 and the small 100g costs £4. using this method, you can refill the smaller gas cartridge around 3 times and still
Camping gas bottle adapter it saves you money in the long run
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5PCS Gas Refill Adapter Stove Cylinder Butane Canister Tank Outdoor Camping BBQ
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Propane Refill Adapter Easy Seal Tank QCC1 To POL Tool 1 LB Gas Camping Stove
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