PRETYZOOM 10pcs Test Tube Plugs Rubber Stoppers Sealing Plugs for Lab Replacement Stopper

Package Include 10 Tubes Stoppers Features -Color:black rubber stopper with hole. -Size:2.50X2.50X2.30cm/0.98X0.98X0.90in test tube rubber stopper with hole -Hole diameter: 0.50cm/0.20inch flask sealing stopper. -Material:Rubber test tube bungs -Size:1.70X1.70X2.30cm/0.67X0.67X0.90in rubber stopper plug -Small and compact, easy to store and use, not taking up much space of home or laboratory test tube sealing stopper. -Smooth and , these sealing stoppers for test tubes will not do damage to the bottles or test tubes in laboratory flask plugs. - for chemical industry, medicine and other scientific researches use, these rubber sealing stoppers fit your demands flask rubber stopper. -The rubber plugs can be used with the test tube, a necessary sealing rubber stopper for experiments rubber sealing stopper. -These rubber stoppers are using a suitable taper shape design, easy to insert and pull rubber sealing plugs.Goods Descriptiontest tube rubber plugs Simple in structure, very easy to use, suitable for professional and personal use.taper rubber stopper Small size and light weight, these rubber plugs are easy to take, has sealing effect for you to use rest assured.rubber stopper If you are looking for some test tube stoppers, then you miss our rubber plugs

• Rubber plugs for holes:these rubber stoppers are using a suitable taper shape design, easy to insert and pull,test tube rubber stopper with hole
• Test tube bungs:rubber stoppers are suitable for almost all general laboratory uses, you can use it with confidence,flask plugs
• Test tube rubber stopper: for chemical industry, medicine and other scientific researches use, these rubber sealing stoppers fit your demands,test tube rubber plugs
• Rubber plugs:taper design for easy insertion and removal, the test tube stoppers can offer you convenience,flask sealing stopper
• Test tube sealing stopper:the rubber plugs can be used with the test tube, a necessary sealing rubber stopper for experiments,test tube plug with hole