- Can supply chilling lliquid to rotary evaporator up to 20L - Temp. set range: -20C~RT - Big cooling capacity (3500W@10C) Cooling Circlator -DL-2030 SENCO-China Made----------------------------------------------------------------------------------- DL-2030 Cooling Circulator / Chiller -- for 10L-20L rotary evaporator & reactor, SENCO, China