The FreeZone 2.5 Liter Benchtop Freeze Dry System is designed for light sample loads or personal use. Compact design with small footprint fits in tight spaces. Epoxy-coated steel exterior. Upright stainless steel collector coil removes 2 liters of water in 24 hours and holds 2.5 liters of ice before defrosting is necessary. Features 1/4 hp refrigeration system; LCD for display of set up and operating parameters, alarm messages and total number of hours since refrigeration and vacuum were serviced; audible/visual alarm for abnormal system event (power failure, improper line voltage supply, collector temperature above -40° C, moisture in collector, and service vacuum pump; patented moisture sensor; vacuum control and break valve; RS-232 port; one button automatic refrigeration and vacuum start up with manual overrides; collector drain hose; power switch; 3" diameter accessory attachment port; 3' of 3/4" ID vacuum hose and 2 clamps. Vacuum pump, drying accessory and freeze dry glassware are required (not included).