20mm Vial Stoppers
For serum vials with a 13mm hole opening and 20mm outer rim diameter. Several styles
available, including round bottom, lyophilization, red, gray, 3-prong leg and contact lens stoppers. These 20mm vial stoppers by IVPACKS are the most common stoppers ordered for our 5ml, 6ml, 10ml, 20ml, 30ml, 50ml and 100ml vials on our website.
