One (1) used Edwards Freeze Dryer, Model Lyoflex S04. This unit features stainless steel product contact surfaces, 4 sq. ft. shelf area, (3) 12" x 18" shelves with 3" spacing, stoppering, -70 degrees C to -50 degrees C shelf temp, Lyomaster 400 Controls, Yokagawa Recorder, 2M-18 Edwards Vacuum Pump, unit skid mounted.