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🧬 Seal Smart, Inject Confidently — The Future of Lab Precision!
LabZhang’s 100-count 20mm self-healing injection ports feature durable butyl rubber that provides a reliable, airtight seal for 13mm vial openings. Designed for repeated steam sterilization without deformation, these stoppers are perfect for maintaining sterile conditions in liquid cultures, BRF jars, and other lab applications, ensuring contamination-free injections and long-lasting sample integrity.



| Customer Reviews | 4.6 out of 5 stars 55 Reviews |
P**E
Perfect fit
Excellent product. Perfect fit
M**E
Exactly what it says
Work perfect
Trustpilot
2 weeks ago
1 month ago