Price:
$3416.00
SE
Shangtian Jingyi DC-2030 Low Temperature Thermostatic Bath Precision low temperature sink -20 ℃/30L
-20~100℃30L
Temperature range -20~100 ℃, Temperature uniformity +/- 0.05 ℃, Tank Capacity 30L, groove opening size 310 * 280mm, working groove size 400 * 325 * 230mm, pump Flow rate 10L/min.

$3587.00
SE
Shangtian Jingyi DC-2030N (0.01) Low Temperature Thermostatic Bath Precision refrigeration Thermostatic Bath -20 ℃/30L
-20~100℃30L
Adopt fully enclosed environmental protection compressor refrigeration system, with overheating and overcurrent multiple protection devices, Temperature range -20~100 ℃, inner tank volume 400x325x230mm.

If you don't know how to choose "Thermostat", please consult customer service.