UNITED SCIENTIFIC SUPPLIES Stopper: Neoprene, 10 1/2 Stopper Size, 45 mm Bottom Dia, 53 mm Top Dia

This green neoprene stopper (size 10-1/2) seals laboratory flasks, test tubes, and other glassware to prevent leaks or contamination. It is commonly used in chemical, pharmaceutical, and educational labs for secure, reusable closures during mixing, storage, or transport.

The stopper is made of green neoprene, size 10-1/2, with a bottom diameter of 45 mm, top diameter of 53 mm, and overall height of 25 mm. It is manufactured by UNITED SCIENTIFIC SUPPLIES INC under part number NST10A-S.

3G Electric supplies the UNITED SCIENTIFIC SUPPLIES neoprene stopper NST10A-S to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive the correct part for your lab or industrial application.

Measure the inner diameter of your flask neck and match it to the stopper's bottom diameter (45 mm for this size 10-1/2). Neoprene offers good chemical resistance and flexibility. For a secure fit, the stopper should compress slightly when inserted.