Caplugs MCN-TCP series of plastic tethered caps are designed to protect tubes and ports from contamination. Made to fit popular tube sizes of 1/4” and 3/8”, the tether keeps the cap in place while not in use. Convenient for a variety of uses, the MCN-TCP caps are easy to remove and reinstall during applications such as fluid drains. Caplugs also manufactures tethered caps in silicone and vinyl.



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