Save purchasing a second regulator, use this adaptor to make use of your argon reg for CO2 or your CO2 reg for argon. Specially designed to allow you to fit an argon regulator onto a CO2 cylinder, or vice versa.
Comes in the following options:
* Argon Adaptor - Fits CO2 Regulator to Argon Cylinder
* CO2 Adaptor - Fits Argon Regulator to CO2 Cylinder
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Please give us a brief description of your intended application (we may have a better solution.) 
