Certified to reduce 99% of lead as well as other potentially harmful contaminants, EveryDrop® filters offer convenient, filtered water for you and your family. For the cleanest water, replace your EveryDrop® filter every 6 months (or 200 gallons). EveryDrop® Ice and Water Refrigerator Filter 4 replaces UKF8001. everydrop Twist-in Refrigerator Water Filter Filter 4 one_size | EDR4RXD1