Photo 1 of CGA320 CO2 Cylinder Refill Adapter Hose, CO2 Refill Station Connector Kit for Filling Blue Soda-maker Tank(CGA320 to TR21-4 Thread, Dual Valve with Gauge) (24 Inch)

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Photo 1 of CGA320 CO2 Cylinder Refill Adapter Hose, CO2 Refill Station Connector Kit for Filling Blue Soda-maker Tank(CGA320 to TR21-4 Thread, Dual Valve with Gauge) (24 Inch)