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For serum vials with a 7mm opening and 13mm outside rim-to-rim diameter.
 Return Policy
                                     
            
                          Return Policy
              Click here to read our returns policy.
13mm Igloo Style Lyophilization Vial Stoppers, Bag of 1,000. 
For serum vials with a 7mm opening and 13mm outside rim-to-rim diameter.
Made of high quality bromobutyl rubber. Appropriate for most lyophilization applications.
Non-Sterile. Customer and end-user is responsible for washing and/or sterilization, whenever required.