Reliable 3-Stage Whole House Filtration: The whole house water filter system WGB32B-KSNC features a robust 3-stage setup including a 10” polypropylene sediment filter, a GAC + KDF media filter that targets lead, mercury, hydrogen sulfide, pesticides, and other common contaminants, and an advanced FC15B-NC catalytic carbon block that reduces chloramine, chlorine, VOCs, and unpleasant odors—providing cleaner, better-tasting water across your entire home. Heavy Metal Defense: The FG25B-KS filter combines high-performance KDF and granular activated carbon (GAC) media to reduce chlorine, lead, mercury, hydrogen sulfide (H₂S), radon, and other harmful contaminants. A powerful layer of protection in your whole house water filter system for clean, health water at every tap. Advanced Catalytic Carbon for Chloramine Removal: The third-stage FC25B-NC filter utilizes premium catalytic carbon media that has been tested by SGS according to NSF/ANSI 42 standards, proven to remove up to 94.4% of chloramine. This advanced media efficiently converts chloramine into harmless byproducts while also reducing chlorine, VOCs, and unpleasant tastes and odors, delivering cleaner, fresher-tasting water throughout your entire home. DIY-Friendly Setup: The WGB32B-KSNC uses 1” NPT connections and standard 20” x 4.5” cartridges for DIYsimple installation with the help of our detailed manual and YouTube tutorials. It delivers strong water flow (up to 15 GPM) and low maintenance. Built to Last: Designed for durability, this whole house water filter system delivers reliable performance for up to 100,000 gallons or 12 months, depending on water usage and quality. It is a long-lasting solution for those seeking a dependable whole home water filtration system. U.S.-Based Support & Warranty Coverage: This water filter whole house system is backed by a 1-year limited warranty and lifetime tech support from our friendly, U.S.-based customer service team. Count on us for help with setup, replacement filters, or troubleshooting. TDS Disclaimer: This home water filter system does not reduce total dissolved solids (TDS) but retains beneficial minerals. For TDS reduction, pair it with an iSpring Reverse Osmosis system for complete water filtration performance.