Kontes* Medium Length Standard Taper Glass Stoppers

Stoppers are used with laboratory glassware such as flasks, mixing cylinders and separatory funnels.

• Sizes Standard Taper 10/18 through Standard Taper 19/22 are solid
• Sizes Standard Taper 24/25 and larger are hollow
• Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements
Image(s) are representative of the product group and not necessarily the individual product.

ST Joints: 10/18

ST Joints: 14/10

ST Joints: 14/20

ST Joints: 19/22

ST Joints: 24/25

ST Joints: 29/26