... Cooling Water Circulating Pump Working Temp. :(optional) -120~Room temp. Tank capacity (L):5,8,16,20,30,50,80 20L Cooling ... Water Circulating Pump Features:•Side in the wind side ... , mass spectrometer, XuanGuangYi 2.Medical equipment: cooling blanket 3.Industrial equipments and laser equipments: ... 50L, 80L Low temperature Cooling Circulating Pump 20L Cooling Water Circulating ...