Flask rubber plugs: it can be used with the test tube it is a necessary sealing rubber stopper for experiments, rubber plug; Test tubes seal stoppers: wide range of applications, test tube solid plugs are suitable for various uses such as laboratory test tubes, experiment test tubes, test tube stopper; Lab tube stopper: excellent sealing performance, prevents leakage of liquids, test tube rubber plugs are practical, tube stopper size; Bung plug stopper: suitable for test tubes, flasks and other laboratory equipment that need to be sealed, test tube rubber plugs; Rubber stopper plug: fine workmanship rubber material, and good durability, can be used for a long time, lab stoppers
What's in the box
26 x Science Supplies
