$1114.00
SE
NELE DL-3005 Circulating Chiller 5L/-30 ℃
5L-30~RT°C
-30~ RT ℃, storage tank volume 5L, cooling capacity 1900W, temperature display accuracy 0.01 ℃, thermostatic accuracy +/- 0.5 ℃, pump maximum Flow rate 13L/min

$1537.00
SE
NELE DL-3010 Circulating Chiller 10L/-30 ℃
10L-30~RT°C
-30~ RT ℃, storage tank volume 10L, cooling capacity 2300W, temperature display accuracy 0.01 ℃, thermostatic accuracy +/- 0.5 ℃, pump maximum Flow rate 13L/min

If you don't know how to choose "Cryogenic coolant circulating pump", please consult customer service.