The manufacturer of the 12108-15 Chiller is Cole Parmer. Cole Parmer Polystat Chiller. Six-liter refrigerated circulating bath with digital control (p/n 12108-15). Use this economical bath for applications where frequent changes are not necessary. Overtemperature and low-level cutoffs protect equipment. Manual temperature dial setting and a hermetically sealed compressor provide maintenance-free use. Bath features ±0.05°C temperature stability down to 20°C. The LED readout lets you continuously monitor fluid temperature, simply press a button to display set temperature. Rapidly change set point with rotary encoder or with three user-selectable preset temperature set points. Read temperature in °C or °F. High-temperature cutoff and low-liquid cutoff ensure safe operation.