Screw caps and pouring rings, made of PP or PBT.

• For laboratory/media bottles
• Plug seal cap ideal for media preparation work
• Autoclavable up to 121 °C (PP) and dry heat sterilized at up to 180 °C PBT

Open top caps are designed to be used with piercible silicone septa (sold separately). Close top caps made of PP with linerless plug seal and close top caps made of PBT with PTFE liner for efficient sealing.