... capacity (L):5,8,16,20,30,50,80 20L Cooling Water Circulating Pump Features:•Side in the wind side exhaust, corner ... Analytical instruments: Atomic absorption, mass spectrometer, XuanGuangYi 2.Medical equipment: cooling blanket 3.Industrial equipments and laser equipments: biological pharmacy 4 ... 5L,8L,10L,16L,20L,30L,50L, 80L Low temperature Cooling Circulating Pump 20L Cooling Water Circulating Pump