Aopkeo Soda Machine Sparkling Water Maker Carbon Dioxide CO2 Fill Station Charging Adapter Hose 2000psi Gauge with TR21-4 Connector

["1. Safety and health are the most important, and all materials meet food safety requirements, allowing you to use them with confidence.","2. Suitable for all sparkling water makers with TR21-4 connector. Can only be used for manual models.","3. TR21-4 adapter has been optimized and designed to perfectly fit the soda maker, easy to install and operate.","4. Equipped with a dual range pressure gauge of 2000psi and 150bar, constantly monitor the remaining gas volume in the carbon dioxide cylinder.","5. Hose length 100inches/250cm, soft and durable. Max working pressure is 9100psi/630bar, real high-pressure hose.","6. This item use for soda maker to external tank/cylinder connect. Like 5LB, 20LB or 50LB commercial CO2 tanks. Allows external tank/cylinder valve connector thread CGA320.","7. All photos are taken directly without any retouching, allowing you to see the most authentic product. Comes with free backup o-rings and sealing gaskets."]