FreeZone 6 Liter Console Freeze Dryers are designed for lyophilizing moderate to large samples loads or numerous small container batches. The console features a front viewing window, interior space for a vacuum pump, and accommodation for a large tray dryers such as the FreeZone Stoppering Tray Dryer (pump and tray dryer sold separately). These models offer a broad range of built-in options including a purge valve and mini chamber. The upright stainless steel collector coil holds 6 liters of ice before defrosting. Two 1/3 hp HCFC/CFC-free refrigeration systems cool the collector to -84? C (-119? F), suitable for low eutectic point samples including acetonitrile.