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Labconco™ Fast-Freeze™ Flasks, Complete Assembly

Easy to handle and fast to load

Manufacturer: labconco™  7540900

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Adapters are required to attach flasks to freeze dry valves–40 and 80mL flasks use a 0.5 in. (1.3cm) adapter; larger sizes use a 0.75 in. (1.9cm).

Catalog No. 10-269-63

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Description & Specifications


Height (English) With Closure 7.48 in.
Height (Metric) With Closure 19cm
Material Borosilicate Glass
Diameter (English) Flask Top Adapter 0.75 in.
Diameter (English) Outer 3.55 in.
Capacity (Metric) 900mL
Diameter (Metric) Flask Top Adapter 1.9cm
Diameter (Metric) Outer 90.2mm
For Use With (Equipment) Compatible with all major brands of freeze-drying equipment
Weight (English) 2.2 lb.
Weight (Metric) 1kg

  • Flat borosilicate glass
  • Silicone rubber snap-on tops provide reliable high-vacuum seals
  • Eliminate risk of contamination by vacuum grease; reduce spillage and sample loss
  • No easily misplaced small parts
  • Wide openings
  • Should be filled no more than one-third of the volume so a maximum surface area is achieved
  • Compatible with all major brands of freeze-drying equipment, including Labconco and Virtis™