Description
Filter #3 and/or #4 for SPOT FREE XL is a mixed media filter. Change this filter every 1200 to 1500 gallons of water use. #3 and #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.