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Colored Polypropylene Caps Without Inner Sealing Ring White Screw cap size: 45mm. For use with 45mm lab bottles without pour ring and with 224100-503 stopper. These 45mm non-reactive autoclavable caps have sure-grips for easy handling.
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Colored Polypropylene Caps With fluoropolymer resin Faced Silicone Liner White Screw cap size: 45mm. Liner is ultrasonically bonded to eliminate toxicity and to assure product safety. These 45mm non-reactive autoclavable caps have sure-grips for easy hand
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