Golden Icepure 4396508 Refrigerator water filter replacement for Whirlpool 4396508, 4396510,Filter 5,EDR5RXD1,NL240V,WFL400 3 PACK Deliver fresh and clean tasting water and ice cubes Replaces Model Number 4396508, 4396510, NLC240V, W10121145 Activated Carbon Block Filter inside has NSF 42 APPROVAL, Carbon Block is made with the latest and t Lasts for UP to 6 months or 300 Gallons (Depneds on water quality and level of contaminants)) Removes chlorine, taste and odor.Does not remove beneficial minerals.