PolyCone Lined Phenolic Caps form an e x ceptionally tight seal and offer a good chemical barrier. This liner molds itself around the sealing areas of the finish as the cap is screwed on, virtually eliminating leakage, evaporation, contamination, binding and backing off. Great for everything from liquids, to soaps, to macro-invertebrates.
28-400 Black Ribbed Phenolic Cap with PolyCone Liner
This listing is for Case of 3100