IVPACKS LLC offers the widest selection of in stock “ready to ship” lyophilization vial stoppers in the industry. Our selection includes 13mm and 20mm lyophilization stoppers, 2-leg and 3-leg lyophilization vial stoppers and 13mm and 20mm Igloo Lyophilization vial stoppers. We also stock “Ready for Sterilization” lyophilization vial stoppers that are ready to sterilize in autoclave bags. CFU and Endotoxin testing have been performed on all of our “Ready for Sterilization” lyophilization vial stoppers. CLICK HERE