Outdoor Stove Gas Tank Gas Refill Adapter Gas Converter Head Stove Adapter Gas Burn-er Accessories

Label:Yes Quantity: 1pc Material:Copper Color: Brass Size: 17.6 *9.7mm Package included: 1pc Camping Cans Adapter

How to use it Weighing unused full butane canister and write with felt-tip on the base. Place empty canister to be refilled in freezer for approx. half hour. Take canister from freezer and place adaptor onto the canister. Take your new full butane canister and insert into adaptor. Push canister firmly down about 10-15 seconds at a time, checking each time the weight of the canister.