Erlenmeyer flask stopper: widely applied in laboratories, research institutes, universities and other places, stopper for erlenmeyer flask; Rubber stoppers: rigorous process, selected silicone material manufacturing, seemingly simple, but everywhere is delicate, experiment stoppers; Test tube stopper: it has a simple design, but very practical in use, giving you a using experience, conical glass tube stopper; Tube stoppers: the silicone stoppers are small in size and light in weight, convenient to store and use, test plug; Lab stoppers: constructed by using high-grade silicone material, it safety and can use it with confidence, stoppers for erlenmeyer
What's in the box
5 x Stoppers for Flasks and Test Tubes Sealing Plugs for Laboratory Use
