000#-9# 12 Size Rubber Stoppers Lab Rubber Stopper Plastic Stoppers for Salt and Pepper Shakers Black Lab Plug for Laboratory (Black)
- ... (10 packs), 00# (6 packs), 0# (3 packs), 1# - #9 (1 pack per size), so you can choose different sizes according to your needs.
- Quality material: these laboratory tube bungs are made of solid natural rubber, sturdy and long-lasting, elastic and won't cause clearance during use, which can ensure that the items in the container are not affected by air, and the material can be reusable, allowing you to use for a long time.
- Wide range of uses: 12 different sizes of black laboratory plugs are suitable for a variety of purposes such as laboratory, household and industry, and can be applied to test tubes, flasks and other laboratory instruments that need to be sealed, for use with non-aggressive or concentrated solutions, suitable for many occasions to ensure your daily needs.
- Easy to use: the solid laboratory bungs are designed with tapered shape, making it easy to plug and pull.
- When in use, the rubber plug is inserted into the mouth of the container to ensure that the contents in the container are not affected by air.
- When not in use, you only need to pull out the rubber plug and it can be reusable.
- Practical gift: the tapered solid rubber stopper is a nice gift choice, including 12 different sizes 000# (10 packs), 00# (6 packs), 0# (3 packs), 1# - #9 (1 pac....