1. This refrigerator filter replacement is double certified against NSF/ANSI 42 and 372 Lead-Free by NSF& IAPMO, filtering out 99% of Chlorine and significantly improving water taste.
2. 0.5 Micron accurate inner layer is effective against 99.99% of Chlorine and meets Particular Reduction Class I standards. This filter retains beneficial minerals in water which is good for your health.
3. Each per filter is produced under the ISO9001, 14000 standard and inspected under strict quality control. Through 34 production processes, 400PSI pressure test, 10,000 water hammer tests, and 6 independent tests.
4. Our filters do not lower the TDS value because it filters harmful substances out while keeping good minerals in filtered water after filtration.