iplusmile 22pcs Taper Rubber Stoppers Assortment for Test Tubes Flasks Easy Insert Remove Leak Sealing Plugs for Laboratory Scientific Research Versatile Use Labs Universities

DescriptionAre You Looking for a Practical Test Tube Stopper for Your Experiment? Do You Want to Have Some Different Test Tube Plugs to Fit Your Needs? If Your Answer Is Yes, Please Take a Look at This Product. This Test Tube Stopper Is Made from Rubber Material, Meet Your Experiment Sealing Needs.Features-Color:White;-Material:Rubber;-Size:5.00X5.00X3.20cm/1.97X1.97X1.26in;-Size:4.50X4.50X3.00cm/1.77X1.77X1.18in;-Size:4.20X4.20X3.00cm/1.65X1.65X1.18in;-Size:3.70X3.70X3.00cm/1.45X1.45X1.18in;-Size:3.30X3.30X2.80cm/1.30X1.30X1.10in;-Size:2.90X2.90X2.80cm/1.14X1.14X1.10in;-Size:2.80X2.60X2.60cm/1.10X1.02X1.02in;-Size:2.60X2.30X2.30cm/1.02X0.90X0.90in;-Size:2.60X2.00X2.00cm/1.02X0.79X0.79in;-Size:2.50X1.90X1.90cm/0.98X0.75X0.75in;Package Including2 X Testing Tubes Stoppers(000, 17mm Height)2 X Testing Tubes Stoppers(00, 21mm Height)2 X Testing Tubes Stoppers(0, 24mm Height)2 X Testing Tubes Stoppers(1, 25mm Height)2 X Testing Tubes Stoppers(2, 26mm Height)2 X Testing Tubes Stoppers(3, 26mm Height)2 X Testing Tubes Stoppers(4, 28mm Height)2 X Testing Tubes Stoppers(5, 28mm Height)2 X Testing Tubes Stoppers(6, 28mm Height)1 X Testing Tubes Stopper(7, 30mm Height)1 X Testing Tubes Stopper(8, 30mm Height)1 X Testing Tubes Stopper(9, 30mm Height)1 X Testing Tubes Stopper(10, 32mm Height)

• The taper design of these testing tube stoppers makes them easy to insert and remove, offering you convenience.
• Suitable for almost all general laboratory uses, you can use these rubber stoppers with confidence.
• These rubber stoppers are suitable for test tubes, flasks, and other laboratory equipment that needs to be sealed.
• Fine workmanship and rubber material, these sealing plugs have good durability and can be used for a long time.
• Widely applied in laboratories, research institutes, universities, and other places, these test tube plugs are easy to take and use.