These ozonators [ozone generators] decide ozone dosing and duration of operation for achieving total disinfection or deodourisation in a specific area these have indicators for process status ozone output duration etc the ozone generators produce ozone by passing dry a ir through 2 concentric electrodes having a dielectric in between them the electrodes are charged to produce a corona discharge the ozone generators are used to restore the freshness of clean air for deodorisation and disinfection of air in hotels ba rs restaurantsd offices meeting places and sterilisation of hospitals nurseries and icus