... and has quite high precision of temp control 3.Suitable for scientific research, biology, physics, medicine, chemical industry and ... :1.Compressor and Oil separator: both imported from Danish Danfoss original Equipment2.Ternary compound cascade refrigeration3 .high and low ... ,20L,30L,40L,60L,80L,100L)! For more details, please contact us as soon as possible. Low Temperature Thermostat Reaction Bath