Mistral range is a truly top class range of temperature control units for HPLC. The various options available allow you to heat or cool your column and additionally there are options for built in column switching or injection valves. Temperature variation in the column compartment is less than 0.1°C at any point in the compartment, guaranteeing temperature independent chromatography precision. Mistral is also capable of running temperature programmes, so that temperature can be used as a separation optimisation parameter. Please see web site for full details.