UNITED SCIENTIFIC SUPPLIES Stopper: Silicone, 8 Stopper Size, 33 mm Bottom Dia, 41 mm Top Dia, 25 mm Overall Ht

This blue silicone stopper (Size 8, 33 mm bottom dia, 41 mm top dia, 25 mm height) seals laboratory flasks and test tubes. Its zero-hole design provides a tight, inert closure for chemical or biological samples, resisting heat and corrosion in general lab applications.

The UNITED SCIENTIFIC SUPPLIES INC stopper UNSST8 is Size 8, made of blue silicone, with a bottom diameter of 33 mm, top diameter of 41 mm, and overall height of 25 mm. It has zero holes and is designed for standard lab glassware sealing.

3G Electric supplies UNITED SCIENTIFIC SUPPLIES stoppers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this Size 8 silicone stopper (UNSST8) to your facility, ensuring compliance with local import requirements.

Measure the inner diameter of your flask neck. The UNITED SCIENTIFIC SUPPLIES Size 8 stopper has a 33 mm bottom diameter and 41 mm top diameter, fitting necks roughly 33–41 mm. For a snug seal, choose a stopper whose bottom diameter matches or slightly exceeds the neck opening.