Description Description Corning glassware. Model 3924-M, one-step extractor-concentrator. Used as a one-step process for liquid to liquid extraction and concentration of heavier than water solvents. Requires external hot water bath heat source. Complete with Allihn condenser 27613-146 and 500 ml Kuderna-Danish flask 26307-822, ball join clamps, modular valved crossover tube, and extractor body. List price new is over $525. New in original box This item is new in the box and unused. It does come with manuals and peripherals. View AllClose