20mm Urea Polycone Black Screw Cap
20mm 20mm Urea Polycone Black Screw Cap comes with a Polycone liner. A superior closure with superior 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.
- Compatible many of our 20mm neck bottles (Glass bottles ONLY)
- A compatible closure for our 20mm neck glass Winchester and Flask bottles.
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