[Whole House Water Filter that Protects Your Family and Household Appliance from Iron, Manganese, and More] Our iron water filter (FM25B) is specially designed for iron & manganese removal, reducing iron (MAX 3.0 ppm) and manganese (MAX 1.0 ppm). It lasts up to 3 times longer than greensand due to the catalytic media not being consumed in the process. The whole house water filter set also removes sediment, chlorine, rust, herbicides, industrial solvents, and various other contaminants. [Whole House Filter with Standard Size] Our water filter set fits standard housings that require 20″ x 4.5″ whole house water filter cartridges, including brand name models. The 20″ x 4.5″ whole house water filter replacement cartridges have a minimum impact on water flow (up to 15 GPM) and require minimum maintenance. [Top-Notch Whole Home Water Filter] The 1st stage high capacity polypropylene sediment filter achieves filtration down to 5 micron. The 2nd stage carbon block water filter is made of high-quality coconut shell carbon for maximum filtration efficiency and filter life. Both water filters are tested by an independent third-party to meet NSF/ANSI standards. Both water filters have a capacity of 100,000 gal. Of water, enough to supply a family of four with clean water for a full year. 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 whole house water filter replacement cartridges are individually wrapped to ensure freshness. Please unwrap before use. For well/pond water with very high iron/manganese please check out iSpring WCFM500K or WCFM400K whole house water filters. Unlike an RO membrane, these whole home water filters don’t reduce Total Dissolved Solids (TDS), and instead keep healthy minerals in your water. If you are interested in a filter that removes TDS, consider our iSpring RO systems. Located in Atlanta, Georgia for over a decade, iSpring Water Systems LLC is a family-owned company specializing in water filtration systems. We aim to make high-quality drinking water accessible to all households. Stage 1: Sediment Filter. Used as the first stage of defense on the system, the filter achieves filtration down to 5 microns and removes dirt and other various larger-sized particles from the water that may clog the following filters. Stage 2: CTO Carbon Block Filter. The second stage houses a 5-micron CTO coconut shell carbon block filter. It uses high-quality coconut shell carbon and highly compact fabrication tech for maximum filtration efficiency (removes up to 99% chlorine) and filter life. Stage 3: Iron & Manganese Reducing Filter. ISpring iron & manganese reducing filter efficiently reduces iron (max 3.0 ppm down to 0.01 ppm) and manganese (max 1.0 ppm down to 0.01 ppm) Filtration Capacity: 50k gal at 3.0ppm for iron. If you are on well water, we recommend getting your water tested before purchasing the product for the best results. If you have any questions or need any product recommendations, please feel free to reach out. Safe Water For the Ones You Love. Enjoy safe and clean water when you remove sediment, rust, chlorine, iron, manganese, pesticides, herbicides, industrial solvents, VOCs, and various other contaminants with iSpring water filters. Save on your water bill – the filters won’t produce any wastewater. The filters are specially designed for a high water flow: up to 15 gallons per minute. Fits iSpring 3-stage whole house systems or any 20″ x 4.5″ filter housings. Unlike an RO membrane, the filters don’t reduce Total Dissolved Solids (TDS), and instead keep healthy minerals in your water. If you are interested in a filter that removes TDS, consider our iSpring Reverse Osmosis (RO) systems. At iSpring, we stand behind our products. If you encounter any problems with any of our products, please reach out to us immediately. 4.5″ x 20″. Sediment Filter x 1, Carbon Filter x 2. Sediment Filter x 2, Carbon Filter x 4. Sediment Filter x 1, Carbon Filter x 1, Iron & Manganese Reducing Filter x 1. Sediment Filter x 1, Carbon Filter x 1, Lead Reducing Filter x 1. Sediment Filter x 1, GAC+KDF Compound Filter x 1, Carbon Filter x 1.