The Everpure H-104 replacement water filter finely polishes treated water to premium quality for drinking and cooking. Reduces chlorine taste and odor and chloramines. Reduces dirt, rust, and other particulates such as oxidized iron, manganese and sulfides. Reduces parasitic protozoan cysts such as Giardia, Entamoeba, Cryptosporidium. Controls even extreme levels of common off tastes and odors, including those which are earthy, moldy and fishy. Reduces lead to below the Federal Action Level of 15 ppb. The Everpure H-104 filter inhibits limescale buildup in water-using appliances as tested by Everpure.