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Adapter Female Thread TR21x4 to Male Thread W21.8-14 CO2  Adapter Soda Cylinder Converter

<ul><li>This soda cylinder adapter has small size, which allows you to fill your own CO2 from larger bulk cylinders to smaller soda cylinders</li><li>Simple installation, and can be directly connected with the carbon dioxide  regulator of the aquarium  or the home brew beer barrel regulator cylinder</li><li>Good sealing performance, stable performance, no air leakage when connecting, can be  for a long time</li><li>Made of  aluminum, durable, wear , high pressure ,</li></ul>

<br/><b>Specification:</b><br/>Item Type: CO2  Adapter<br>Material: Aluminum<br>Color: Black<br>Length: Approx.36.5mm/1.44in<br>Weight: Approx.30g/1.1oz<br>Thread: Female Thread TR21x4 to Male Thread W21.8-14<br> <br/><br/><b>Package List:</b><br/><p>1 x CO2  Adapter</p><p>1 x Gasket</p> <br/><br/><b>Note:</b><br/><div><div><div><div><div>1.It can not work on AU and NZ soda bottle.<br>2.Please allow 0-1 inch error due to manual measurement. Thanks for your understanding.<br>3.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.</div></div></div></div></div><br>