Indicating Glass Triple Trap

Indicating Glass Oxygen/Moisture/Hydrocarbon Triple Trap, Helium-Specific.Helium-Specific Oxygen/Moisture/Hydrocarbon Triple Trap. The glass indicating trap clearly shows when the filter needs to be replaced with the use of color changes. The packing material is a silica-based environmentally friendly substitute for cobalt dioxide (blue) in the moisture indicator. Available as a kit with the necessary 1/8 brass connectors, and as a replacement trap, this system is easy to install.