Solid rubber stopper: great for most kinds of scientific laboratory utensils, such as test tube, flask, or other laboratory applications, Rubber Stopper; Solid rubber sealing plug: the set includes 100 pcs sealing plugs, which can greatly meet your practical needs, Tapered Flask Sealing Plug; Solid rubber plug: the rational design a good sealing effect features wonderful sealing, which is practical, Laboratory Rubber Plug; Tapered flask plug: can be used for sealing glass mouth, mouth, fish tank mouth, etc, Test Tube Plugs; Bottle plug stopper: the test tube plug is made of material, which is durable and practical for a long time use, Rubber Sealing Plug
What's in the box
100 x Science Supplies
