ozonator waste water treatment process 1.Adujustable O3 2.built-in auto air dryer 3.air cooled air feed ozonator waste water treatment process Swimming pool disinfection ozone ... , over voltage, water protection device, for ensuring ozonemachine running safetyControl panel:Ozone output adjuster, Flow meter, ORP (Choose),Pressure regulator, Voltmeter, Ampmeter ...