Please allow 2-3 days before shipping. (We are checking our stock for soundness.)

Standard spectrum tubes. Use them as replacements for burned-out and dying tubes or to enlarge your existing selection of elemental spectral lines in student spectroscopy experiments.

Air, argon, carbon dioxide, helium, hydrogen, iodine, krypton, mercury vapors, neon, nitrogen, oxygen, sulfur, and water vapors are available.

Select the gas or vapor that you want in the options section below.

Dimensions: 10" (25.4 cm) long

Note: the mercury vapor tube is available only within the 48 contiguous U.S. states.