Pearl Water Technologies pre-carbon filters, being mandatory for RO units, purge chlorine and organics and defend the membrane. Their basic 10-inch domestic varieties are between ₹179 to ₹349. The combo set featuring sediment filters varies between ₹269 to ₹449. Price differs with sizes and capacity of the industrial pre-carbon filter. visit us https://pearlwater.in/ro-filte....r-kit/pearl-water-ca