Classroom Stoppers

Eisco™ Rubber Cones

Eisco™ Rubber Cones

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.

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

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

Pliable Soft Rubber Stoppers for multiple applications

Economical Cork Stoppers

Economical Cork Stoppers

For all of your laboratory needs.

GSC Go Science Crazy Rubber Stopper, Size 8, 2 holes 5mm in diameter

GSC Go Science Crazy Rubber Stopper, Size 8, 2 holes 5mm in diameter

Pliable Soft Rubber Stoppers for multiple applications

GSC Go Science Crazy Rubber Stopper, Size 6, with 2 holes 5mm in diameter

GSC Go Science Crazy Rubber Stopper, Size 6, with 2 holes 5mm in diameter

Pliable Soft Rubber Stoppers for multiple applications

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

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

Pliable Soft Rubber Stoppers for multiple applications

Cork Borer Sets with Handles

Cork Borer Sets with Handles

Bore holes in corks and rubber stoppers.

Twistit: Four Stoppers in One

Twistit: Four Stoppers in One

Multi-purpose and economical

United Scientific Supplies Neoprene Stoppers <img src=

United Scientific Supplies Neoprene Stoppers DFS Item

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

GSC Go Science Crazy Rubber Stopper, Size 00, Solid (no-hole)

GSC Go Science Crazy Rubber Stopper, Size 00, Solid (no-hole)

Pliable Soft Rubber Stoppers for multiple applications

Stopper Assortments

Stopper Assortments

Soft, durable, resilient rubber designed for long life.

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