Description
Filter #3 and/or #4 for SPOT FREE is a mixed media filter. Change these filters every 600 to 750 gallons of water use. #3 and/or #4 Filter removes or greatly reduces the following contaminates: Cyanide, Nitrate, Hydroxide, Acetate, Phosphate, Sulfate, Carbonate, Ammonium, Hydrogen (proton), Lithium, Sodium, Potassium, Magnesium, Calcium, Strontium, Aluminum, Fluoride, Chloride, Bromide, Iodide, Oxide, Sulfide, Nitride, Tin, Lead, Iron, Copper, Zinc, Silver, Gold, Hydride, Nitrite, Hydrogen Phosphate, Phosphite, Sulfite, Hydrogen Sulfate, Bisulfite, Hydrogen Carbonate, Bicarbonate, Manganese, Cobalt, Chromium, Mercury, Peroxide, Chromate, Dichromate, Permanganate, Thiocyanate, Hydrogen Sulfide, Hypochlorite, Chlorate, Perchlorate, Rubidium, Cesium, Barium, Gallium, Indium, Nickel, Selenide, Telluride, Nitride, Phosphide, Phosphide, Arsenide, Nitrite, and more.