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Drilled No. 9.5 Stopper

Drilled No. 9.5 Stopper

This #9.5 drilled stopper fits a 2000ml (2L) Erlenmeyer flask. The drilled hole is for your airlock so that the gases may be released while making your yeast starter.
Attributes:
  • Top Diameter: 46mm (1-13/16")
  • Bottom Diameter: 38mm (1-1/2")
  • Length: 25mm (1")
  • Hole Diameter: 9.525mm (3/8")
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