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• Made from chemically resistant plastic
• Provide a firm, positive culture tube closure whilst allowing a controlled gas interchange
• An excellent and more practical alternative to cotton wool plugs
• Three flexible fins moulded on the inner wall of each cap ensure a positive fit even when minor variations in tube sizes occur
• Chemically resistant plastic
• Exclusive use of virgin material eliminates any possibility of leachable components
• Autoclavable

Supplied in packs of 100.