1000pcs Butyl Rubber Stopper Plug 13mm，Self Healing Injection Ports Solid Seal

Material:Butyl rubber Size: 13mm Inside diameter: 7mm Outer diameter: 13mm High: 6mm Suitable for: 13mm Glass Vial Color:Grey Package includes: 1000pcs

• High Quality Butyl Rubber Stopper : High quality self healing port lids is used to make the vial stoppers, which is flexible, washable, reusable without deformation, chemically resistant, robust and these liquid culture lids is ideal for long-term storage of any liquid or solid.
• Perfect Seal Butyl Rubber Stopper Bottle Caps: These self healing cork are definitely worth the money if you want to properly seal things,butyl rubber drain stopper feature an inert coating on the surface that helps to better seal the bottle, allowing the contents to be stabilized.
• Features of Bottle Sealing: These small vial cap opener may be used to produce injection holes in the lids of liquid glass cans or bottles, test tubes, and BRF bottles, the smaller size of glass bottle with stopper is more sanitary and easier to use.