Whole House Water Filtration with Pre-Filter Protection – This home water filter system includes the WSP50J jumbo spin-down sediment filter as the first stage, capturing sand, dirt, and rust before water enters the main whole house water filter system. It helps prevent clogging, extends the life of your 3-stage water filter, and maintains strong water pressure—ideal for both city and well water applications. SGS-Tested PFAS Reduction – The FC25B-PF filter uses independently tested media to remove up to 99% of PFAS contaminants such as PFOA and PFOS. This PFAS water filter ensures safe, great-tasting water from every faucet—perfect for households seeking top-performing water filters that remove PFAS. Long-Term Scale Defense – Featuring the FWDS150K filter, this whole house water filter system includes a powerful scale inhibitor that helps prevent calcium and magnesium buildup. It extends the life of pipes, appliances, and water heaters in homes with hard water or scale issues. Powerful Heavy Metals Removal – The FG25B-KS water filter uses granular activated carbon (GAC) and KDF media to reduce common water pollutants like lead, mercury, chlorine, chloramine, radon, and hydrogen sulfide. Ideal for whole house water filtration system setups in homes using city or well water. Comprehensive Contaminant Protection - the iSpring WGB32B-PFKDS whole home water filter system delivers robust protection through a 3-stage design featuring KDF + GAC, high-performance carbon block, and a premium anti-scale filter. It effectively reduces PFAS, chlorine, heavy metals, and scale, providing clean, health water throughout your home. High Capacity & Long-Lasting Filters – Designed for long-term use, this whole house water filtration system processes up to 100,000 gallons or lasts up to 12 months, depending on water quality. A reliable water filter system for home users seeking performance and longevity. DIY-Friendly Installation – The system features standard 1” NPT inlet/outlet ports and 20” x 4.5” filter housings for compatibility with most home plumbing. Comes with an easy-to-follow user manual and online tutorials to streamline the installation of your water filter system for home. Sealed for Freshness – Every whole house water filter cartridge is individually wrapped to preserve shelf life and ensure top-quality filtration. Open just before use for peak performance in any home water filter system whole house configuration. U.S.-Based Support with Warranty – Backed by a 1-year limited warranty and lifetime technical support from our knowledgeable U.S. customer service team. Whether you need advice on installation or maintenance, we’re here to support your whole house water filtration system investment. Important Note – This system preserves healthy minerals and does not lower TDS levels. If you need to reduce total dissolved solids, explore iSpring reverse osmosis systems—an excellent add-on for your water filter system for house or whole home water filtration setup.