Enjoy clean, fresh tasting ice & water with Everydrop® water filters. Everydrop® filters use Triple Filtration Technology to reduce contaminants. Filter 4 is NSF certified to reduce a total of 31 contaminants, including lead, chlorine taste and odour, pesticides and pharmaceuticals, so you can feel reassured that you and your family are getting the most out of your water. For optimal contaminant reduction, replace your everydrop® filter every 6 months (or 200 gallons/757L). (Replaces UKF8001)The air filter lets air actively pass through the filter, helping neutralize odor and bacteria. It reduces odors 15 times better than baking soda. Replace filter ever 6 months. Produce preserver absorbs ethylene allowing the ripening process of many produce items to slow down. As a results, certain produce items will stay fresh longer that are kept in your crisper drawer. It extends freshness of produce up to 25%. Packet contains two pouches which will be put in the housing in your crisper drawer. Packet also contains a status indicator to help you remember to change the pouches. Replace pouches and status indicator every six months for optimal freshness.