AF-0520 Series Schlenk Flasks, Kjeldahl w/ Glass Stopcock or Airfree Valve

The Kjeldahl shape of this Schlenk flask facilitates heating and stirring while permitting easy transfer of liquids or solids. The lower portion of flask fits standard heating mantles.  Select from a 2 mm glass stopcock with a constant pressure retaining device or a PTFE Airfree™ valve with integrated serrated hose nipple and linear bore.