... ,poor water quality, poor water pressure, high temperature. DLSB-30/20,30,40,60,80,120 modelRefrigerating abilityCirculating ablilityControl-temp ablityWorking conditionsoverallCapacityMin tempRefrigerating ... .222025(60-80%)ventilation610520950DLSB-30/3030-323809-1801-30±0.238025600500950DLSB-30/4030-424829-1140-40±0.238025650580950DLSB-30/6030-624997-160-60±0.2380258006201000DLSB-30/8030 ...