30mm Serum Vial Stoppers

30mm SERUM VIAL STOPPERS

30mm serum vial stoppers are for serum vials that have a 15mm hole opening and 30mm outside rim-to-rim diameter. Fit our 250mL and 500mL serum vials on this website. THESE STOPPERS ARE NOT STERILE - appropriate washing, rinsing and sterilization must be performed by the purchaser and end user.