20mm Serum Vial Stoppers
20mm SERUM VIAL STOPPERS
20mm serum vial stoppers are for serum vials with a 13mm hole opening and 20mm outside rim-to-rim diameter. THESE STOPPERS ARE NOT STERILE UNLESS SPECIFICALLY DESIGNATED AS STERILE - appropriate washing, rinsing and sterilization, if required, must be performed by the purchaser and end user.
