Small volume rotary evaporator Small volume rotary evaporator LB-81SRE features an evaporator flask with a range from 0.25 L to 2 L that allows processing of very small or limited amount of sample. It comprises an intelligent digital temperature control mode which features a temperature range from RT to 399 °C. PTFE fluoro rubber enables efficient sealing that ensures safety and increases the heat resistance of the operation and the instrument.