Unomor 3sets Test Tube Plugs Rubber Stoppers Locking Hole Plugs Taper Design Sealing Bungs for Lab Flask 10pcs*3

Package Include 30 Tubes Stoppers Features -Color:black test tube bungs. -Size:1.70X1.70X2.30cm/0.67X0.67X0.90in rubber stopper with hole -Size:2.50X2.50X2.30cm/0.98X0.98X0.90in test tube rubber plugs -Hole diameter: 0.50cm/0.20inch test tube sealing stopper. -Material:Rubber rubber sealing plugs - for chemical industry, medicine and other scientific researches use, these rubber sealing stoppers fit your demands rubber stopper. -Small and compact, easy to store and use, not taking up much space of home or laboratory taper rubber stopper. -The rubber plugs can be used with the test tube, a necessary sealing rubber stopper for experiments rubber stoppers. -These rubber stoppers are using a suitable taper shape design, easy to insert and pull rubber plugs. -Smooth and , these sealing stoppers for test tubes will not do damage to the bottles or test tubes in laboratory flask sealing stopper.Goods Informationtest tube plugs Simple in structure, very easy to use, suitable for professional and personal use.flask rubber stopper If you are looking for some test tube stoppers, then you miss our rubber plugs.flask plugs Small size and light weight, these rubber plugs are easy to take, has sealing effect for you to use rest assured

• Rubber plugs:smooth and , these sealing stoppers for test tubes will not do damage to the bottles or test tubes in laboratory,rubber plugs for laboratory
• Rubber stopper:small and compact, easy to store and use, not taking up much space of home or laboratory,rubber plugs for holes
• Flask rubber stopper:these rubber stoppers with hole are suitable for test tubes, flasks and other laboratory equipment that need to be sealed,taper rubber stopper
• Rubber stopper with hole:easy to take, test tube plugs are widely applied in laboratories, research institutes, universities and other places,test tube stoppers
• Flask sealing stopper:fine workmanship with rubber material, and durability, the sealing plugs can be used for a long term,rubber sealing stopper