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Labconco™ Fast-Freeze™ Flasks, Rubber Tops Only

For use with Fast-Freeze Flasks

Manufacturer: labconco™  LCN7544200

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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. 10-269-52A


Description & Specifications


Material Borosilicate Glass
Diameter (English) Flask Top Adapter 0.75 in.
Capacity (Metric) 120, 150, 300mL
Diameter (Metric) Flask Top Adapter 1.9cm
Weight (English) 1 lb.
Weight (Metric) 0.5kg

  • Flexible, noncontaminating silicone rubber top Snaps on and off easily, yet provides a reliable, high-vacuum seal