28mm (R3) Urea Polycone Cap
28mm (R3) Black Urea 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. The materials used to produce black urea caps are free from Bisphenol A. A quality cap best suited to our glass bottle ranges, such as our amber and clear Sirop bottles and Flask bottles.
- Compatible many of our 28mm neck bottles (Glass bottles ONLY)
- A compatible closure for our 28mm neck glass Sirop and Flask bottles.
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