Gas cylinder adapter 4.5*3 cm - long-lasting, ensures safety of connection, easy to install

Copper gas filling, used for refilling small butane gas cylinders. It features a side control valve in blue. Suggested uses: * Butane gas cylinder filling: used to refill butane gas cylinders from larger cylinders. * Camping and outdoor activities: an ideal tool to save money and avoid the need to constantly buy new cylinders. * Flow control: the side valve helps control the gas flow, ensuring safe and efficient filling. * Durability: made of copper, making it durable and corrosion-resistant.