EcoAqua Replacement Filter, Compatible with Maytag UKF8001, EDR4RXD1, Whirlpool 4396395, Puriclean II, Kenmore 46-9006, Everydrop Filter 4, Viking RWFFR Refrigerator Water Filter, 3 PackBrand: EcoAqua Color: White Features: Certified and testedTested and certified by NSF International against NSF ANSI Standard 42 for the reduction of chlorine taste and odor. Replacement cycleTo achieve optimal performance, change your filter every 6 months or 300 gallons. Easy to install and quick to change. High quality, cost effective alternative to factory original. Premium materialUses high grade natural coconut shell activated carbon block as