An alternative to traditional methods of sterilizing, once switched 'ON' the units are ready to use within 30 minutes and ensure total destruction of all micro-organism within seconds. Preset temp. of 230° C-250° C, incorporated with a thermostat with an accuracy of ± 1°C of the preset range. These are compact enough to be placed on any Laminar Air Flow Bench or any other work side tables in a clean room. To work on 220 volts A.C.