Ozone Generator 1250mg Per Hour High output corona discharge ozone tube with low power consumption (25W) --- High flow ball bearing cooling fan (25 CFM) Leaves no taste, odour or harmful substance in drinking water Precise ozone output calibration --- can be fed with different air sources With CE marking, approved by European Directives for essential health and safety standards --- Tested, evaluated and meets UL & TUL's international standard requirements Compact and rugged construction --- Long life performance and trouble-free life