Enjoy fresh, filtered water and ice from your refrigerator. Filter 1 from every drop by whirlpool water ice and water is certified by NSF to reduce 24 contaminants - including pharmaceuticals, pesticides, waterborne parasites, lead, asbestos and industrial chemicals in addition to providing great tasting water by reducing the presence of chlorine. It provides 200 gallons of filtered water and should be changed every 6 months to ensure proper contaminant removal and flow rate.