20mm Serum Vial Stoppers, Lyophilization, Wheaton Grey (100)

These stoppers fit serum vials with a 20 mm crimp neck finish. They were made for lyophylization (freeze drying vaccines). But they are also handy as general purpose stoppers.

20mm lyophilization vial stoppers
20mm Serum Vial Stoppers, Lyophilization, Wheaton Grey (100)
$14.99 per 100, lots (2 in stock)

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These stoppers fit glass serum vials with 20 mm necks and are the kind held in place with aluminum crimp bands.

They are Wheaton brand. They are lyophilization stoppers, which means they can be partly inserted, allowing air flow during freeeze drying, and then pressed home to make the seal. They are unlubricated.

Specifications:

  • Fit 20 mm finish vials
  • 20 mm outside diameter
  • 13 mm across the plug
  • Lyophilization
  • NOT Silicone lubricated
  • Grey butyl rubber

Specifics:

  • brand: Wheaton
  • size: 20mm
  • material: Butyl rubber

Condition: New. Not sterile.


20mm Serum Vial Stoppers, Lyophilization, Wheaton Grey (100)

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