Water Filter Replacements fit any jug with 1.75″ - 2″ opening. Utilizing the Journey™ Filter, these water filter replacements reduce lead, arsenic, mercury, fluoride, zinc and other harmful toxins from your tap water resulting in great tasting, safe purified water for drinking, cooking and washing. Additionally these replacement filters remove 99.9999% Bacteria, 99.99% Protozoan and 99.99% of Viruses. Each water filter replacement will purify up to 250 gallons of water. So fill your 5 gallon jug up to 50 times from the convenience of your own tap - then replace the filter and go again!  EPA Est.#94138-ID-1