Summit's FS22LPLUS fits easily on top of counters and provides maximum cooling / stabilized temperature performance for use in medical, scientific, pharmaceutical and laboratory institutions. This manual defrost freezer can hold temperatures as low as -20 C, the ideal temperature for long-term storage of food, vaccines, and laboratory products. The FS22LPLUS also features a front door lock and traceable thermometer that provides an external readout of current / high / low temperatures. This model replaces the FS20LPLUS - dimensions vary slightly.