These polypropylene caps are lined with a thick 3/32” red silicone disc that prevents cracking. Threaded caps firmly seal Spex® SamplePrep homogenizer vials. Replacement caps for 04576-99 and 04575-71. Vials sold separately.
41071, 41071-2, 41071 2, 41071 27, EW, GH, SI, AO
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