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Labconco™ Fast-Freeze™ Flasks, Flask Bottom Only

High-strength borosilicate glass bottom to withstand extreme temperatures and high vacuum

Manufacturer: labconco™  7543000

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Adapters are required to attach flasks to freeze dry valve ports

Catalog No. 10-269-55B

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Description & Specifications


Height (English) With Closure 9.44 in.
Height (Metric) With Closure 24cm
Material Borosilicate Glass
Diameter (English) Outer 3.55 in.
Capacity (Metric) 1200mL
Diameter (Metric) Outer 90.2mm
Weight (English) 2 lb.
Weight (Metric) 0.9kg

  • Features a wide mouth opening to load fast and clean easily
  • Flat bottom reduces spills and provides better balance
  • Flasks should be filled to no more than one-third of their volume so that maximum surface area is achieved and efficient lyophilization is assured
  • Tops, bottoms, and filter paper are available separately as replacement components