20mm Vial Stopper, Solid Silicone, Bag 1000. Manufactured in the USA and meets USP Class 6.
Often referred to as a contact lens vial stopper.
Volume discounts on contact lens vial stoppers listed above
All stoppers require appropriate washing, rinsing, and sterilization, whenever applicable, to meet industry specific requirements. We do NOT sell sterile stoppers.
20mm vial stoppers are for serum vials with a 13mm hole opening and 20mm outside rim-to-rim outer diameter.