Stoppers

Flask stopper options include glass Pennyhead or machine stoppers, Autoclavable Rubber stoppers, Corks, Silicone Stoppers, and PTFE stoppers with color coded handle (choose color.) Glass stoppers are available in either clear or low actinic red stained glass.

  • Natural Rubber Stoppers, Solid, 1 lb box, Choose Size
    Part #: UN-RST000-S

    $22.00 $19.87
  • Natural Rubber Stoppers, Two Holes, 1 lb box, Choose Size
    Part #: UN-RST0-H2

    $22.00 $19.87
  • Neoprene Stoppers, 1 lb box, Choose Size
    Part #: UN-NST000-S

    $34.00 $30.78
  • Cork Bottle Stoppers, Medium (Size #5 to #9), case/100
    Part #: UN-CST5

    $24.03
  • Cork Bottles Stoppers, Small (Size #000 to #4), case/100
    Part #: UN-CST000

    $10.90
  • Natural Rubber Stoppers, One Hole, 1 lb box, Choose Size
    Part #: UN-RST00-H

    $22.00 $19.92
  • Cork Bottle Stoppers, Large (Size #10 to #14), case/100
    Part #: UN-CST10

    $93.82
  • Cork Bottle Stoppers, XL (Size #15 to #20), case/100
    Part #: UN-CST15

    $140.24