I HAD TAKEN ZERO B WATER SURAKSHA PLUS DRINKING WATER PURIFIER. BUT ONLY ONE TIME THAT TOO FROM DELHI I HAD TO GET CANDLE AS AFTER 4 TO SIX MONTHS ITS TOO BE CHANGED AS WATER STARTS CHOKING. WHEN U DONT HAVE ANY DISTRIBUTOR OR SERVICES WHY U MISUSE AND MIS GUIDE CUSTOMERERS TALKED TOO RITU IN DELHI BUT SHE IS NOT PICKING CALL.KINDLY HELP ME WHERE IN BAREILLY, MORADABAD.KASHIPUR OR GHAZIABAD OR EVEN IN DELHI UR DISTRIBUTOR HAS CANDLE. MY CELL NO 09758615500 read full review »