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New design for easier replacement of tubes., Simultaneously removes oxygen, water vapor, carbon monoxide, carbon dioxide, most sulfur compounds, most halogen compounds, alcohols, and phenols to less, than 109 ppb. Effectively purifies helium, hydrogen, nitrogen, argon/methane, and ammonia Glass body does not diffuse air or off-gas Ideal for Hall®, ECD, and GC/MS detection systems. Color change provides positive indication of purifier exhaustion. Improved design prevents air from entering the new tube, preserving the resin.
