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

Pliable Soft Rubber Stoppers for multiple applications

Fisherbrand One-Hole Rubber Stoppers Size No.: 8; Hole size: 5mm

One Hole Stopper at Thomas Scientific

10PK Neoprene Stoppers, Solid - ASTM - Size: #0 13mm Bottom, 17mm

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

United Scientific™ Rubber Stoppers, Solid Version

Labware – GSC Go Science Crazy

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

United Scientific™ Rubber Stoppers, Solid Version

One Hole Stopper at Thomas Scientific

Zart School Catalogue 2016 by Zart : Art, craft and education

Beyondsupply-One 7Piece Cork/Rubber Stopper Borer Set