Heavy 5000ml erlenmeyer flask with drilled stopper and airlock fitting for fermentation. Flask is made of laboratory-grade 3.3 Borosilicate Glass. When properly supported the maximum SAFE operating temperature is 520 C.

  • 2000ml Flask dimensions are 6 3/4″ diameter / 11 1/2″ tall / 1 3/4″ mouth.
  • 5000ml Flask dimensions are 9 1/4″ diameter / 15″ tall / 2″ mouth