✅ Integrated butane refill adapter, convenient and easy to use.

✅Adjustable control valve with independent on/off switch for gas refilling speed.

✅Made of copper, zinc alloy, and iron, sturdy, anti-rust, and durable for long-term use.

✅Recommended filling capacity is within 180g, and the gas level can be checked by weighing the canister.

✅Safe operation design with clear step-by-step valve closing and canister removal process.