16X150mm Glass Test Tubes with Rubber Stoppers, Karter Scientific 201B5 (Pack of 10)

60 PCS 20x150mm Plastic Test Tubes with Cork Stoppers 30ML Clear Bath Salt Tubes Gumball Candy Tubes Tube Container Vials for Scientific Experiments Party Favors Decorate Candy Storage

Use rubber stoppers and lab-grade corks to contain liquids in test tubes and flasks. Keep your chemistry experiments clean and safe with rubber stoppers! These sturdy plugs fit tightly into test tubes or flasks to prevent chemical leaks and spills. Some lab work requires a …

Rubber stoppers, known for their flexibility and tight seal, are perfect for general use in flasks and test tubes. Convertible stoppers offer versatility, easily adapting to different lab apparatuses. Color-coded stoppers enhance lab organization, allowing for quick sample identification and reducing the risk of cross-contamination.

Single-position tight fitting stopper to fit disposable test tubes such as our 9933 (1211Z98) test tube series. Stoppers available in the following colors: Blue, Green, Red and Yellow.

Rubber Stopper, Size #4 Fits 25X150 and 25X200 Test Tubes and 24/40 ground glass openings. All of our black rubber stoppers are laboratory grade. Available as solid or 1-hole. Hole diameter is 5mm. NC-0959

Save on Lab Stoppers at Amazon's Lab Consumables Store, featuring every day low prices on Lab & Scientific Equipment.

Shop for Test Tube Stoppers at Walmart.com. Save money. Live better.

Foam stoppers compress to fit into test tubes, flasks, and Drosophila vials to provide a secure fit. They are autoclavable, breathable, nonabsorbent, and reusable.

Solid, tapered natural cork stoppers and rubber bungs for test tubes, Erlenmeyer flasks, Florence flasks, plugging pipes, leaks & more. All Indigo corks are made in Portugal to the highest standards for materials & cleanliness.