13mm stoppers for serum vials with a 13mm crimp finish (7mm diameter hole at the top of the vial; 13mm outer rim-to-rim diamater). Solid silicone vial stoppers have high chemical resistance and are low in extractables. For critical applications where chemical resistance and low extractables are a necessity.All stoppers require appropriate rinsing and sterilization, if necessary, to meet industry specific requirements. We do not sell sterile or pre-washed serum vial stoppers. If you need the 20mm version (13mm diameter hole at the top) CLICK HERE
All stoppers require appropriate rinsing and sterilization, if necessary, to meet industry specific requirements. We do not sell sterile or pre-washed serum vial stoppers.
