From the product description, check product page for current description, price and availability:

• 【Specification】The refill adapter is US CGA-320(G1/2),Please make sure it matches your carbon dioxide tank.
• 【36inch】The refill adapter can be used to refill small CO2 tanks from larger CO2 tank, with 2 turn on/off valves, convenient to use.
• 【Tips】CO2 cylinder refill adapter with hose, used to refill your own Sodastream tank with CO2,Working Pressure is 3000psi
• 【Scenes】The big CO2 bottle should have enough pressure, if it is liquid CO2 in the big bottle, invert the big CO2 bottle to inflate.

From HBF: Make sure the components you use are compatible and rated for your intended application.  Contact manufacturer with questions about suitability or a specific application.  Always read and follow manufacturer directions.

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