Do helium tanks that we buy from party stores contain pure helium or is there a small percentage of oxygen? - Quora
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Universal Hot Product Party City Helium Tank Personal Helium Tank - China Disposable Helium Cylinder, Helium Cylinder | Made-in-China.com
Do helium tanks that we buy from party stores contain pure helium or is there a small percentage of oxygen? - Quora
![Universal Hot Product Party City Helium Tank Personal Helium Tank - China Disposable Helium Cylinder, Helium Cylinder | Made-in-China.com Universal Hot Product Party City Helium Tank Personal Helium Tank - China Disposable Helium Cylinder, Helium Cylinder | Made-in-China.com](https://image.made-in-china.com/202f0j00zYVfUsEJYwkg/Universal-Hot-Product-Party-City-Helium-Tank-Personal-Helium-Tank.webp)
Universal Hot Product Party City Helium Tank Personal Helium Tank - China Disposable Helium Cylinder, Helium Cylinder | Made-in-China.com
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