PATIKIL Tapered Shaped Solid Silicon Stopper, 1/2" Tube Rubber Stoppers Lab Plugs for Sealing Copper Pipes Bottles Vials, 4 Pcs

PATIKIL Tapered Shaped Solid Silicon Stopper, 1/2" Tube Rubber Stoppers Lab Plugs for Sealing Copper Pipes Bottles Vials, 4 Pcs

• Bottom Diameter(small-end): 10 mm/ 0.4 inch; Top Diameter(big-end):14.6 mm/ 0.57 inch; Height: 25.4mm / 1 inch; Applicable Hole Diameter: 12.7 mm（1/2"); Packing List: 4 Pcs x Solid Silicon Stopper
• Advantage: Cone-Shaped Design for Easy Removal: Our lab stoppers feature a convenient conical shape that makes them simple to remove from test tubes. Durable Material for Versatile Use: Crafted from robust materials, these stoppers resist deformation and withstand high temperatures, acids, and bases. Reusable & Long-Lasting: Designed for repeated use, these stoppers provide a long service life, making them a cost-effective solution for your sealing needs
• Instruction: Easy to install, simply insert the rubber stopper into the bottle opening and twist to ensure a snug and secure fit.
• Application: Is useful for sealing and testing in various containers such as flasks, test tubes, pipe ends, and aquarium lids. Suitable for both laboratory environments and industrial settings
• NOTE: Please confirm the size before purchasing to ensure the suitability, sealing and use effect