stonylab Solid Rubber Stopper with Single Hole, 5-Pack 9# Air-Tight Control Tapered Lab Seal Stopper

Crafted from premium natural rubber, these stoppers are designed for a variety of sealing applications, featuring a single-hole design tailored to your unique requirements, Size 9#: top length 45 mm, bottom length 38 mm, height 30 mm, Each pack contains 5 stoppers, ensuring you have an ample supply for your needs, Durable and robust, offering reliable performance in a range of settings, Warranty: StonyLab 1-year limited warranty; if received damaged, please contact us immediately; we will solve it until satisfied