1000pcs 20mm Butyl Rubber Stopper Plug，Self Healing Injection Ports Solid Seal and 1000pcs Aluminum FILP Off Cap for Glass Bottle Vials

Description

🧪 Seal the deal with precision and power – never compromise on your lab’s integrity!

This 1000-piece set includes 20mm butyl rubber stoppers and aluminum flip-off caps designed for secure, reusable sealing of glass vials. The self-healing rubber allows needle injections without compromising sterility, while corrosion-resistant aluminum caps protect contents from contamination. Ideal for laboratories, liquid cultures, and experimental storage, these components ensure long-lasting, airtight seals compatible with most 20mm bottles.