Classroom Stoppers

Cork Borer Sets with Handles <img src=

Cork Borer Sets with Handles Products for Science Education

Bore holes in corks and rubber stoppers.

Parafilm™ M Wrapping Film <img src=

Parafilm™ M Wrapping Film Products for Science Education

Efficient and cost-effective covering for test tubes, beakers, vials, petri dishes, flasks, and various other instruments and objects with irregular surfaces.

United Scientific Supplies Neoprene Stoppers <img src=

United Scientific Supplies Neoprene Stoppers Products for Science Education

Used in areas where rubber would be attacked by reagents or solvents. United Scientific Supplies Neoprene Stoppers have good resiliency and shelf-life.

Economical Cork Stoppers <img src=

Economical Cork Stoppers Products for Science Education

For all of your laboratory needs.

Corks of Assorted Sizes <img src=

Corks of Assorted Sizes Products for Science Education

Be prepared with these sturdy cork stoppers in a range of sizes.

Eisco™ Burette Stopcock Plunger (PTFE) <img src=

Eisco™ Burette Stopcock Plunger (PTFE) Products for Science Education

Replacement stopcock for Eisco part CH0233B

Eisco™ Rubber Cones <img src=

Eisco™ Rubber Cones Products for Science Education

Designed for use with Buchner Funnels in filtration assemblies, these cones are made of flexible, quality neoprene rubber. Rubber Cones have superior chemical stability, and can withstand a wide temperature range.

United Scientific Supplies Rubber Stoppers, Solid Version <img src=

United Scientific Supplies Rubber Stoppers, Solid Version Products for Science Education

Ideal for use with non-aggressive or concentrated solutions. United Scientific Supplies Rubber Stoppers, Solid Version withstand temperatures from -13° to 158°F (-25° to 70°C).

United Scientific Supplies Rubber Stoppers, One Hole <img src=

United Scientific Supplies Rubber Stoppers, One Hole Products for Science Education

Ideal for use with non-aggressive or concentrated solutions. United Scientific Supplies Rubber Stoppers withstand temperatures from -13° to 158°F (-25° to 70°C).

GSC Go Science Crazy Rubber Stopper, Size 3, Solid (no-hole) <img src=

GSC Go Science Crazy Rubber Stopper, Size 3, Solid (no-hole) Products for Science Education

Pliable Soft Rubber Stoppers for multiple applications

Twistit: Four Stoppers in One <img src=

Twistit: Four Stoppers in One Products for Science Education

Multi-purpose and economical

GSC Go Science Crazy Rubber Stopper, Size 6, Solid (no-hole) <img src=

GSC Go Science Crazy Rubber Stopper, Size 6, Solid (no-hole) Products for Science Education

Pliable Soft Rubber Stoppers for multiple applications

GSC Go Science Crazy Rubber Stopper, Size 9, 1 hole 5mm in diameter <img src=

GSC Go Science Crazy Rubber Stopper, Size 9, 1 hole 5mm in diameter Products for Science Education

Pliable Soft Rubber Stoppers for multiple applications

GSC Go Science Crazy Rubber Stopper, Solid (no-hole) <img src=

GSC Go Science Crazy Rubber Stopper, Solid (no-hole) Products for Science Education

Pliable Soft Rubber Stoppers for multiple applications

GSC Go Science Crazy Rubber Stopper, Size 5, Solid (no-hole) <img src=

GSC Go Science Crazy Rubber Stopper, Size 5, Solid (no-hole) Products for Science Education

Pliable Soft Rubber Stoppers for multiple applications

GSC Go Science Crazy Rubber Stopper, Size 0, Solid (no-hole) <img src=

GSC Go Science Crazy Rubber Stopper, Size 0, Solid (no-hole) Products for Science Education

Pliable Soft Rubber Stoppers for multiple applications

GSC Go Science Crazy Rubber Stopper, Size 7, 2 holes 5mm in diameter <img src=

GSC Go Science Crazy Rubber Stopper, Size 7, 2 holes 5mm in diameter Products for Science Education

Pliable Soft Rubber Stoppers for multiple applications

GSC Go Science Crazy Rubber Stopper, Size 8, 1 hole 5mm in diameter <img src=

GSC Go Science Crazy Rubber Stopper, Size 8, 1 hole 5mm in diameter Products for Science Education

Pliable Soft Rubber Stoppers for multiple applications

GSC Go Science Crazy Rubber Stopper, Size 10, Solid (no-hole) <img src=

GSC Go Science Crazy Rubber Stopper, Size 10, Solid (no-hole) Products for Science Education

Pliable Soft Rubber Stoppers for multiple applications

GSC Go Science Crazy Rubber Stopper, Size 7, 1 hole 5mm in diameter <img src=

GSC Go Science Crazy Rubber Stopper, Size 7, 1 hole 5mm in diameter Products for Science Education

Pliable Soft Rubber Stoppers for multiple applications

GSC Go Science Crazy Rubber Stopper, Size 6, 1 hole 5mm in diameter <img src=

GSC Go Science Crazy Rubber Stopper, Size 6, 1 hole 5mm in diameter Products for Science Education

Pliable Soft Rubber Stoppers for multiple applications

Eisco™ Silicon Rubber Cork <img src=

Eisco™ Silicon Rubber Cork Products for Science Education

Available in translucent colored

Eisco™ Bark Cork Stopper <img src=

Eisco™ Bark Cork Stopper Products for Science Education

Available in pack of 10.

Eisco™ Heavy-Duty Cork Boring Machine <img src=

Eisco™ Heavy-Duty Cork Boring Machine Products for Science Education

For drilling uniform and straight holes in cork or rubber stoppers

Eisco™ Rubber Stopper <img src=

Eisco™ Rubber Stopper Products for Science Education

With one hole in bottom

United Scientific Supplies Rubber Stoppers, Two Hole <img src=

United Scientific Supplies Rubber Stoppers, Two Hole Products for Science Education

Ideal for use with non-aggressive or concentrated solutions. United Scientific Supplies Rubber Stoppers, Two Hole withstand temperatures from -13° to 158°F (-25° to 70°C).

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