Kenmore/Keurig/Cuisinart/Braun Compatible Replacement Charcoal Water Filter 12 Pack Pure & Refreshing TasteRemoves impurities for better tasting coffee: Traps odors and chemicals like chlorine, fluoride, and chloramine residues while preserving the dissolved mineral salts and calcium that are needed to extract coffee soluble for the best possible flavor Easy to install and use: Simply rinse the new cartridge, place it in the filter holder and snap shut, and return the holder to its spot in the water reservoir; For best results replace every 30 days or 30