Certain features of will be down for maintenance Saturday afternoon/evening, February 24th starting at 3:00 pm CT until 9:00 pm CT.

Please note that you still have telephone and email access to our local offices. We apologize for any inconvenience.

Passive Sampling Accessories (Stainless Steel Tubes Only)

Product #


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28017-U Diffusion Caps Standard
28018-U Diffusion Caps with Silicone Membrane
28016-U Pen Clips for SS Tubes, pk 10