PYREX Replacement Adapter Tube with Standard Taper

Corning This PYREX® adapter tube is a replacement for the Kjeldahl Nitrogen Distilling Apparatus (No. 3340-500) used for determining nitrogen in organic compounds. The tube has an inner 29/42 Standard Taper joint on the flask end and an inner 19/38 Standard Taper joint on the Graham condenser end. For replacement Graham condensers, see No. 2540-200. - COG