31mm (R6) Black PP Polycone Cap
31mm (R6) Black PP screw cap comes with a Polycone liner. The liner is cone shaped, ensuring once the cap has been screwed onto the bottle an airtight seal is created. Particularly useful with oily substances. A quality cap best suited to our 1000ml glass Winchester bottles.
- Compatible our 31mm neck 1000ml Winchester glass bottles only!
- If you would like to use this cap on another bottle – Please check product compatibility with a member of our sales team.
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