Whirlpool everydrop Ice & Water Refrigerator Filter 1 - EDR1RXD1B -White (EDR1RXD1B)Enjoy clean, fresh tasting ice & water with Everydrop water filters. Everydrop filters use Triple Filtration Technology to reduce contaminants. Filter 1 is NSF certified to reduce a total of 28 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