PolyScience LM61GX1A110C Benchtop Chiller, GX Centrifugal Pump, 2.65-Liter Reservoir, -10 to +30 Degrees C Range, 120V LM-series recirculating benchtop chiller for use with rotary evaporator (sold separately) GX-series centrifugal pump recirculates water from chiller's built-in 2.65 liter water tank Working temperature range of -10 to +30 degrees C with temperature stability to + or - 0.1 degrees C LED display shows set or current temperature Accepts 120V, 60Hz input power