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8 mm Preassembled Screwcap w/ PTFE/Silicone Seal (100/pk)
Brand: Chromatography Research Supplies Inc8 mm polypropylene screw cap, 8-425 threads, pre-stuffed with silicone seal faced on one side with a layer of PTFE. Total thickness is 1.5 mm.Packaged: 5-1/4 in. x 8 in. Plastic bag; Weight: 53.9 g.
