iSpring PFAS & Heavy Metals Removal 3-stage Whole House Water Filter System, SGS-Tested to Reduce Up to 99% PFOA & PFOS, 10” x 4.5” Filters, 1” Inlet/Outlet, Model: WGB31B-PFKS

The iSpring WGB31B-PFKS Whole House Water Filter System delivers comprehensive 3-stage filtration to provide safe, clean water throughout your home. Stage 1 uses a high-capacity FP15B sediment filter to capture dirt, rust, and sand down to 5 microns, protecting plumbing and extending filter life. Stage 2’s FC15B-PF filter uses SGS-tested media to remove up to 99% of PFAS, including PFOA and PFOS. Stage 3 features the FG15B-KS filter, combining KDF and GAC media to reduce chlorine, lead, mercury, hydrogen sulfide, and other harmful chemicals. With a filtration capacity of up to 50,000 gallons and easy DIY installation, this system is built for lasting performance. Compatible with most standard home plumbing, it comes with individually sealed cartridges and U.S.-based customer support for added peace of mind.

• SGS-Tested PFAS Filtration – The Stage 2 FC15B-PF filter is SGS-certified to reduce up to 99% of PFAS, including PFOA and PFOS. This high-performance PFAS water filter offers proven protection against “forever chemicals” in municipal and well water, ensuring safe, clean water for your entire home.‌
• Heavy Metal & Chemical Defense – The Stage 3 FG15B-KS filter combines high-performance KDF and granular activated carbon (GAC) media to reduce chlorine, lead, mercury, hydrogen sulfide (H₂S), chloramine, radon, and other harmful contaminants. A powerful layer of protection in your whole house water filter system for clean, health water at every tap.
• High-Capacity Sediment Filtration – The Stage 1 FP15B sediment filter captures dirt, rust, sand, and other particles as small as 5 microns. Designed to protect your plumbing system and extend the lifespan of carbon and specialty filters, it’s an essential first line of defense for any whole house water filtration system.
• Compact Yet Powerful: Ideal for apartments, smaller homes, or vacation properties, this 10” x 4.5” whole house water filter fits tight spaces while delivering long-lasting, high-performance filtration.
• Extended Filter Life & High Capacity – Built for durability, this home water filter system whole house setup treats up to 50,000 gallons of water or lasts up to 12 months, depending on usage and water conditions. Ideal for families seeking a long-lasting whole home water filtration solution.
• DIY Installation – Designed with user convenience in mind, this whole house water filter system includes 1” NPT inlet/outlet ports and standard 10” x 4.5” housings. It fits most household plumbing and includes step-by-step guides and video instructions for a seamless setup.
• Individually Sealed Cartridges – Each replacement filter is sealed to maintain freshness and maximize filtration performance. Unwrap just before installation to ensure your water filtration system for house use starts with optimal protection.
• 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.