10pcs Tapered Lab Plugs for Tubes Sealing Test Tube Stoppers Rubber Plugs for Sealing Bungs

Package Include 10 Tubes Stoppers Characteristics -Size:2.50X2.50X2.30cm/0.98X0.98X0.90in rubber plugs -Material:Rubber test tube stoppers -Hole diameter: 0.50cm/0.20inch flask sealing stopper. -Size:1.70X1.70X2.30cm/0.67X0.67X0.90in test tube plugs -Color:black test tube plug with hole. -Easy to take, test tube plugs are widely applied in laboratories, research institutes, universities and other places rubber sealing stopper. -Fine workmanship with rubber material, and durability, the sealing plugs can be used for a long term flask plugs. -These rubber stoppers with hole are suitable for test tubes, flasks and other laboratory equipment that need to be sealed rubber sealing plugs. -Rubber stoppers are suitable for almost all general laboratory uses, you can use it with confidence rubber stopper. -Taper design for easy insertion and removal, the test tube stoppers can offer you convenience test tube rubber stopper with hole.Goods Descriptionrubber stoppers Are you looking for a practical stopper for your experiment? want to have a reliable test tube plug? If your answer is yes, please take a look at this product.rubber sealing plugs This test tube stopper is made from rubber material, has the , meet your experiment sealing needs

• Test tube bungs: for chemical industry, medicine and other scientific researches use, these rubber sealing stoppers fit your demands,rubber stopper with hole
• Rubber plugs for holes:smooth and , these sealing stoppers for test tubes will not do damage to the bottles or test tubes in laboratory,test tube sealing stopper
• Flask sealing stopper:fine workmanship with rubber material, and durability, the sealing plugs can be used for a long term,rubber sealing stopper
• Flask rubber plugs:these rubber stoppers are using a suitable taper shape design, easy to insert and pull,test tube plug with hole
• Rubber plugs for laboratory:taper design for easy insertion and removal, the test tube stoppers can offer you convenience,rubber stopper