Choose a practical water replacement filter pack for maintaining your Sagan Life 5 Gallon Jug Water Filtration System. This 4-pack features Journey™ Filters that can purify up to 250 gallons each, giving you up to 1,000 gallons of filtration capacity. The filters help reduce bacteria, protozoa, viruses, lead, arsenic, mercury, fluoride, zinc, and other unwanted substances from tap water. Enjoy convenient purified water for your household without repeated trips to refill stations.