iSpring F3WGB32BM 4.5” x 20” 3-Stage Whole House Water Filter Set Replacement Pack with Sediment, CTO Carbon Block, and Iron & Manganese Reducing Cartridges, Fits WGB32BM

  • [Protect Your Family and Household Appliance from Iron, Manganese, and More] Our filter (FM25B) is specially designed for iron & manganese removal, reducing iron (MAX 3.0 ppm down to 0.01 ppm) and manganese (MAX 1.0 ppm down to 0.01 ppm). The filter set also removes sediment, chlorine, rust, herbicides, industrial solvents, and various other contaminants.
  • [DIY Installation and Maintenance] Refer to our manual and our helpful YouTube videos for DIY installation. Water flow: up to 15 GPM. Our filter set fits standard 20” x 4.5” housings, including brand name models.
  • The first stage high capacity polypropylene sediment filter is able to achieve filtration down to 5 micron. The second stage CTO Carbon Block filter is made of coconut shell carbon to increase filtration efficiency and extend filter life. Both are tested by an independent third-party to meet NSF/ANSI standards. Both filters have a capacity of 100,000 gallons of water, enough to supply a family of four with clean water for a full year.
  • [Peace of Mind Customer Service] Register online to activate your manufacturer warranty and life-time free tech support from U.S. local support team. We stand behind our products and if you encounter any problems with any of our products please reach out to us immediately. We are happy to help!
  • [Please Note] The cartridges are individually wrapped to ensure freshness. Please unwrap the cartridges before use. For well/pond water with very high iron/manganese please contact us for customized solutions. Unlike an RO membrane, the filters don’t reduce Total Dissolved Solids (TDS). If you are interested in a filter that removes TDS, consider our iSpring Reverse Osmosis (RO) systems.
  • $139.99
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    3 pieces of Replacement Water Filters for 3-Stage 20" Whole House Water Filter #WGB32BM

    Product Description


    Style:Sediment + CTO + Iron & Manganese Removal

    The 5-micron CTO coconut shell carbon block filter is finely ground up carbon packed into a solidified block. It knocks out bad tastes and odors, removes up to 99% of chlorine from the water, and is effective on herbicides, pesticides, and industrial chemicals. The iron and manganese reducing filter is great for the plethora of heavy metals found in well water sources. The FM25B iron and manganese reducing filter is only included with the iSpring WGB32BM (and WGB22BM), as it is not needed for most municipal water supplies that the WGB32B targets.


    • Availability: In Stock
    • Model: F3WGB32BM
    • Manufacturer: iSpring