When your cooling needs require temperature as low as -750C to -900C. Designed primarily to circulate to external closed loop applications.
Thermo Scientific GLACIER Ultra Low Refrigerated Circulators
High heating & cooling capacity. Rapid heat up & cool down. Temperature range -50°C –
Thermo Scientific NESLAB ULT Ultra Low Circulators
Designed for circulating to external applications. Temperature Range -90°C to +10°C