Globe Scientific's polyethylene (PE) flanged plug caps provide exceptional leak-resistance in test tubes, centrifuge tubes, and round cuvettes. At Scientific Supplies & Technology Inc., we prioritize innovation and quality, and these caps are no exception. They feature two flexible flanges that press firmly against the inside wall of the tubes, offering superior leak-resistance compared to standard plug caps. Ideal for medical and laboratory settings, they ensure your samples remain secure and uncontaminated. Rely on our commitment to excellence for all your scientific supply needs.