The most common type of gas canister is the disposable type, which is typically used for single-use applications. These canisters are usually filled with a mixture of propane and butane, and they come in a variety of sizes, ranging from small, 1-liter canisters to larger, 16-liter canisters. Disposable gas canisters are non-refillable and should be disposed of properly after use.
Refillable gas canisters are also available, which can be refilled multiple times at a gas station or a specialized refill center. These canisters are typically made of stronger materials, such as steel, and they have a pressure relief valve to release excess pressure.
It's important to handle gas canisters with care and to follow the safety instructions provided by the manufacturer. Gas canisters should be stored in a cool, dry place, and they should never be exposed to direct sunlight or heat sources. Additionally, gas canisters should never be transported or stored in the passenger compartment of a vehicle.