000#-9# 12 Size Rubber Stoppers Lab Rubber Stopper Plastic Stoppers for Salt and Pepper Shakers Black Lab Plug for Laboratory (Black)
- ...e 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 pack per size), and you can give it to your family or friends who are in need, to meet the needs during daily life and work.