... PumpParameters: ModelBK-30L/120Temperature Range-120~-60 °CControl Temperature Accuracy±2 °CCooling Capacity-60°C680W-80°C520W- ... specially suitable for the need to maintain low temperature, under normal temperature conditions, chemical, biological, physical, laboratory.It ... water source,poor water quality, poor water pressure, high temperature . 6 Cooling capacity, cooling speed, and greatly improved ...