Reliable Whole House Water Filtration – This 3-stage whole house water filter system includes a 10" x 4.5" sediment filter, a carbon block filter, and an iron filter to tackle sediments, chlorine, odors, iron, and manganese across your entire water supply. Effective Iron & Manganese Reduction – The FM15B water filter in the third stage is specially designed for iron (up to 3.0 ppm) and manganese (up to 1.0 ppm) removal. 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. Long-Lasting Performance - Built for durability and steady flow, this whole house water filter treats up to 50,000 gallons or 12 months, providing families with reliable, long-term filtration. DIY-Friendly Installation - With 1" NPT inlet/outlet and standard 10" x 4.5" cartridges, the WGB31BM is easy to install with our step-by-step manual and YouTube guides. It maintains strong water flow (up to 15 GPM) and requires minimal upkeep. Hassle-Free Maintenance - Convenient red pressure release buttons make filter changes quick and simple by releasing built-up pressure in the housings. 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. Fresh & Ready - Cartridges arrive individually sealed to maintain top filtration quality. Unwrap before installing. 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.