ULTECHNOVO 50pcs Solid Rubber Stoppers for Laboratory Flask and Test Tube Sealing White Rubber Plugs for Scientific Use for Sealing Glassware and Fish Tanks

Package List 50 tube plugs Characteristics -Material: Rubber rubber plugs -Color: White Solid Rubber Stopper - The rational design a good sealing effect. Features wonderful sealing, which is practical Rubber Plug. - The test tube is made of high-class rubber material, which can withstand long-term use Bottle Plugs. - for the chemical industry, medicine and other scientific researches use Rubber Stopper. - Our products are great for various kinds of laboratory utensils, such as flask, test tube Solid Rubber Plug. - The set contains 50 pcs test tube sealing plugs, a large quantity to meet your needs rubber stopper plugs.Goods DescriptionRubber Plug for demanding sealing , industrial, labs uses.tapered This rubber test tube stopper is used to seal test tubes used in chemical experiments, such as pharmaceutical, chemical, mechanical, and scientific research industry

• Bottle plug stopper: for the chemical industry, medicine and other scientific researches use,solid rubber stopper
• Test tube bungs: the plug is made of rubber, good sealing, which has a ,white lab plug
• Bottle plug stopper: great for most kinds of scientific laboratory utensils, such as test tube, flask, or other laboratory ,rubber stopper
• Laboratory bottle stopper plug: features good sealing effect and durability, which will not do damage to the bottle or test tube,bottle hole stopper
• Rubber sealing plug: our products are great for various kinds of laboratory utensils, such as flask, test tube,stopper