Re-Circulating Chiller line is designed for analytical, medical, and industrial use, providing accurate temperature control and equipped with a durable and strong frame against the outdoor working environment. The device's working temperature range of -20°C to -30°C, R134A refrigerant, copper cooling coil, circulating pump with a flow rate of 8-10L/min, and tank volume of 4.8Liters make it a versatile instrument.