stonylab Plastic Stoppers, 3-Pack Universal Fit Lab Stopper for Volumetric Flask Separatory Funnel with 24/40 Joint, Durable Lab Glassware Seal

Universal Compatibility: designed to fit 24/40 outer joint laboratory glassware, these stoppers ensure a secure seal for volumetric flasks and separatory funnels, Premium Construction: crafted from premium plastic, these stoppers boast excellent resistance to both acids and alkalis, enhancing longevity and durability in various laboratory conditions, 3-Pack Set: this set includes 3 stoppers, each with an inner diameter of 24 mm, providing an essential supply for busy laboratories and educational settings, Convenient and User-Friendly: with their lightweight and flexible design, StonyLab plastic stoppers are not only easy to handle and apply but also simple to transport and store, Warranty: StonyLab 1-year limited warranty; if received damaged, please contact us immediately; we will solve it until satisfied