6Pcs Solid Rubber Stopper Bungs with Hole 13mm to 17mm Solid Test Tubes Bungs Stopper for Flask, Plug Holes and Test Tube(Black)

Specifications :Material : RubberColor : BlackType : RS-0-1Rubber Stopper Plug Size(Approx.) : Bottom Diameter: 13mm / 0.51"; Top Diameter: 17mm / 0.67"; Height: 25mm / 0.98"Package Include:6 x Rubber Stopper with HoleAttention :Please check the size carefully before ordering!Rubber Stopper has some smell, please put it in a ventilated place for few hours before using!

• Material: Solid rubber stopper is made of high quality rubber, which is very durable, not easy to deform and has good sealing performance.
• Rubber Tapered Plug is in Size : Bottom Diameter: 13mm / 0.51"; Top Diameter: 17mm / 0.67"; Height: 25mm / 0.98"; Package Include: 6 x Rubber Stopper with Hole
• Easy to use: Rubber stopper is tapered, easy to pull and insert, reusable and long in service life.
• Wide Application: The rubber plugs have the advantage of being able to with stand high temperatures up to 200 degrees Celsius. It can be used in various applications, including food, hygiene, and drinking water. Perfect for flask, plug holes, dog's pool, drainage in a fountain and test tube or other laboratory apparatus need sealed.