Tapered Shaped Solid Silicon Stopper, 5/8" Tube Rubber Stoppers Lab Plugs For Sealing Copper Pipes Bottles Vials, 8 Pcs

It is designed to block copper pipes and tubes, prevent dust and moisture from getting into the pipes, useful for HVAC and refrigeration equipment maintenance and repair. SpecificationColor: WhiteBottom Diameter(small-end):12.9 mm/0.5 inchTop Diameter(big-end):16.9 mm/0.6 inchApplicable Hole Diameter: 15.88mm(5/8")Height: 25.8mm / 1.02 inchMaterial: SiliconePacking List: 8 PcsAdvantageCone-Shaped Design for Easy Removal: Our tube stoppers feature a convenient conical shape that makes them simple to remove from test tubes. They offer excellent sealing performance and high insulation.Durable Material for Versatile Use: Crafted from robust materials, these stoppers resist deformation and withstand high temperatures, acids, and bases. Their sturdy construction ensures long-lasting reliability.Reusable & Long-Lasting: Designed for repeated use, these stoppers provide a long service life, making them a cost-effective solution for your sealing needs.InstructionEasy to install, simply insert the rubber stopper into the pipe opening and twist to ensure a snug and secure fit.NOTE: Please confirm the size before purchasing to ensure the suitability, sealing and use effect