Essential Replacement for WGB32B-PFKDS – This 3-stage PFAS filter replacement set is specially designed for the iSpring WGB32B-PFKDS whole house water filtration system. Ideal for treating well water, city water, or any whole-home water setup. Effective PFAS Water Filter – The FC25B-PF carbon filter contains SGS-tested filtration media, targets up to 99% of PFAS (including PFOA and PFOS), making it one of the top water filters that remove PFAS for whole house applications. Heavy Metal & Chlorine Reduction – The FG25B-KS GAC+KDF filter removes chlorine, lead, mercury, and hydrogen sulfide, providing protection for your family and extending the life of whole house water filtration systems and plumbing. Built-In Descaler Protection – The FWDS150K polyphosphate descaler reduces scale from calcium and magnesium, preventing internal corrosion and prolonging the efficiency of appliances and hot water heaters. Built to Last – This home water filter system whole house replacement pack filters up to lasts up to 12 months, depending on water quality and usage. Peace of Mind Guaranteed – Supported by a 1-year limited warranty and lifetime technical support from our U.S.-based customer service team. Whether you're purchasing your first whole house water filtration system or replacing your current home water filter, we're here to help—before and after your purchase. Please Note – This filter retains healthy minerals and does not reduce TDS. For total dissolved solids removal, explore our iSpring Reverse Osmosis systems—perfect complements to any water filtration system for house or whole home water filtration system. Fresh and Ready — Individually sealed cartridges maintain maximum freshness. Please remove the wrap before use.