1-Used northstar model 3680 freeze drying system, s/n 1914. Unit provides for approx. 90 sq.ft. Of surface area nd is equipped with self-contained two stage edwards vacuum pump. With self-contained refrigeration compressor, digital temperature read out, ice bank, etc. On caster for portability. Electrical specifications: single phase, 60 cycle, 230 volt. Equipped with twenty six (26) trays. (stock # 7655)
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