We manufacture discharge tubes of a variety of shapes and sizes, filled with pure elemental gases only: Helium 99.9993%, Neon 99.999%, Argon 99.999%, Krypton 99.99%, Xenon 99.99%, Hydrogen 99.95%, Deuterium 99.95%, Oxygen 99.99%, Nitrogen 99.99%
Check out the different series of tubes: