Collection: Lab Flasks

Laboratory flasks by type, each listed by manufacturer part number. Erlenmeyer flasks in borosilicate glass — narrow mouth, wide mouth, screw cap and heavy-duty ASTM E1406 — from 25 mL to 4 L, for mixing, heating and culture work. Filtering flasks with a side arm for vacuum filtration, in standard and heavy-wall glass. Ground-glass flask stoppers in the standard joint sizes.

Volumetric flasks — Class A and Class B, clear and amber, wide-mouth and polypropylene, 1 mL to 2000 mL — have their own page: Volumetric Flasks. Beakers and graduated cylinders are under Glassware.