Distilling Apparatus for Kjeldahl Determinations - Cole-Parmer
Corning Pyrex Borosilicate Glass Solvent Still Head Distilling Apparatus with Standard Taper Joints, 250ml Capacity: Science Lab Apparatus And Instrument Supports: Amazon.com: Industrial & Scientific
PYREX General Purpose Distillation Apparatus with Standard Taper Stopper:Specialty | Fisher Scientific