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1. Glass sealed rare gas light-emitting tube Rare gas tubes argon helium neon krypton xenon and Nitrogen oxygen carbon dioxide.

   Glass sealed rare gas light-emitting tube Rare gas tubes argon helium neon krypton xenon and Nitrogen oxygen carbon dioxide.

   Aliexpress UK

2. NIKON 441-203-0012 GLT1721 HELIUM NEON GAS LASER TUBE W/ PWR SUPP

   HE-NE HELIUM NEON GAS LASER TUBE WITH POWER SUPPLY

   eBay

3. 1pc. GAMMEX #389 neon helium laser

   You will get exactly what you see in the photo. MILITARY GRADE.

   eBay

4. New Helium King - Helium Gas Canister - Fills Up To 50 X 9" Balloons Not,Specified Heliumnblrg1 Extra Large

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