4.5″ x 20″ Big Blue Refillable Water Filter Cartridge – GAC Coconut Shell Carbon + KDF 85: Removes Iron, Sulfur/Rotten Egg Smell

THIS FILTER CARTRIDGE WILL FIT A BIG BLUE HOUSING 20″ SPECIAL MIX OF CARBON AND KDF85 KDF 85 Medium Removes or reduces iron and hydrogen sulfide from municipal or other water supplies. Also controls scale, bacteria and algae. iron / hydrogen sulfide reduction filter contains a combination of KDF85 media and coconut shell activated carbon. The KDF85 effectively reduces dissolved iron and hydrogen sulfide odor over a wider pH range than possible with standard oxidation filters such as manganese greensand, thereby protecting your plumbing system including toilets, bath tubs and showers, and appliances such as clothes washers and dishwashers, from unsightly staining and odor. The activated carbon removes organic contaminants to substantially improving water clarity, taste, and odor. It does NOT add any harmful chemicals to the water, making it completely safe for drinking water applications.