Tapered Shaped Solid Silicon Stopper, 7/8" Tube Rubber Stoppers Lab Plugs For Sealing Copper Pipes Bottles Vials, 4 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):18.1 mm/0.7 inchTop Diameter(big-end):23.7 mm/0.9 inchApplicable Hole Diameter: 22mm(7/8")Height: 25.7mm / 1.01 inchMaterial: SiliconePacking List: 4 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