UNITED SCIENTIFIC SUPPLIES Stopper: Cork, 19 Stopper Size, 33 mm Bottom Dia, 40 mm Top Dia, 38 mm Overall Ht

This cork stopper is used to seal laboratory glassware such as flasks, test tubes, and bottles. It provides a tight, non-reactive closure for storing chemicals, samples, or reagents. The beige cork material is compressible and grips glass surfaces, making it suitable for general lab applications.

The CST19 cork stopper has a Stopper Size of 19, a bottom diameter of 33 mm, a top diameter of 40 mm, and an overall height of 38 mm. It is beige, made of cork, and has 0 holes. The manufacturer part number is CST19 from UNITED SCIENTIFIC SUPPLIES INC.

3G Electric supplies UNITED SCIENTIFIC SUPPLIES cork stoppers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source the CST19 or other stopper sizes for your laboratory needs.

To select the correct cork stopper, measure the inner diameter of your flask opening. The stopper's top diameter should be slightly larger than the opening to ensure a snug fit. For the CST19, the top diameter is 40 mm and bottom is 33 mm, suitable for openings around 33–40 mm. Always verify fit before use.