The 12-piece 3ml silicone cap set provides airtight rubber closures for standard 3ml vials, used to reseal opened research peptide vials between uses. They are compatible with FenaLife’s 3ml glass cartridges and standard lyophilised peptide vials.
Application
Once a peptide vial is reconstituted, resealing with a silicone cap prevents contamination and evaporation during storage. The caps create an airtight seal suitable for vials stored at 2-8°C. Each pack contains 12 caps.
Specifications
Material: Medical-grade silicone | Quantity: 12 per pack | Compatible: Standard 3ml vials and cartridges.
Frequently Asked Questions
Are these reusable?
They can be reused between research sessions. Replace if the seal becomes compromised.
Free shipping available?
Yes — free on all orders over $100.




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