Glass-lined Dewar Flasks

Fisherbrand™ Low-Form Dewar Flasks

Slightly curved bottom increases coolant capacity

Fisherbrand™ Metal-Cased Cylindrical Dewar Flasks

Borosilicate glass with silvered double walls

Synthware™ Dewar Flask, Wide Mouth, Metal Housing

With weighted metal base for stability

Synthware™ Dewar Flasks, Low Form, Hemispherical

Maximum capacity flask fits inside the Dewar

Fisherbrand™ Dewar Flasks

Fully silvered borosilicate glass liner with a blue enameled steel casing