✅ 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.