Each tube is 26cm long overall, narrowed to capillary width for 8.5 to 10cm of the length, and is made of glass. Metal wires holding the electrodes are sealed through the ends and welded to metal caps, which have loops for connecting wires.We recommend our Spectrum Tube Power Supply for exciting the tubes. The light emitted contains no significant UV components.
Warning: This product (WLS68755-30K) contains mercury and may not be available for sale in your state. Contact customer service for details.
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