Bhai hmne aqua guard aura RO+UV+UF+MTDS install krvaya hai. Technician bola k esme company chip fit krte hai jiske baad 500 hrs complete hone par purifier bnd ho jayega osne bola tank full krne k baad main plug see bnd krdo to life jada ho jayege. Eske bare mee thoda clarity dejeye ? Eeska service cost and amc charges kitna rehnta hai ?