Thermoelectric Peltier chiller is simple to operate and can keep samples at a low temperature for long periods. Cooling causes no mess or contamination. Twenty sample compartments are in each block, sizes 0.2 ml to 2 ml and the compartments can easily be changed when different sizes are needed. The unit can also use its ceramic-coated aluminum beads to accommodate various sample vials at the same time. The TCL-10 series chillers are available in analog and digital models. Suitable for both laboratory and pharmaceutical applications. Omega