This is an efficient 250mL PYREX® extraction apparatus for general purpose use. Consists of a Soxhlet extractor with a 24/40 inner TS joint on the bottom and a 45/50 outer TS joint on the top, a special Friedrichs condenser with a 45/50 inner TS joint on the bottom and a flask with a 24/40 outer TS joint. The condenser tubulation O.D. is 10mm.