{"product_id":"ispring-fc25b-pb-4-5-x-20-lead-and-heavy-metal-reducing-filter","title":"iSpring FC25B-PB 4.5 x 20 Lead and Heavy Metal Reducing Filter","description":"\u003cp\u003eOur review of the FC25B-PB cartridge finds it best suited to households seeking targeted reduction of heavy metals and chlorine without switching to an RO system. The bottom line: this replacement filter delivers reliable \u003cstrong\u003elead removal\u003c\/strong\u003e and broad heavy metal filtration in a standard 4.5 x 20 format, making it simple to drop into existing whole-house or prefilter housings. Installation is straightforward, maintenance is predictable, and independent \u003cstrong\u003eSGS-tested\u003c\/strong\u003e results provide confidence for families concerned about arsenic, cadmium and lead in their water.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSGS-Tested Lead Removal:\u003c\/strong\u003e The filter media is independently tested to remove up to 99% of lead, reducing a major health concern for many homes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComprehensive Heavy Metal Filtration:\u003c\/strong\u003e MetSorb-style media targets arsenic III and V, lead, mercury and cadmium, cutting common toxic contaminants from supply water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Size Compatibility:\u003c\/strong\u003e The 4.5 x 20 in size fits most standard housings, including widely used brand models, for easy replacement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong Service Expectancy:\u003c\/strong\u003e With recommended yearly replacement or up to 100,000 gallons depending on water quality, the cartridge can reduce how often you change filters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndividual Packaging:\u003c\/strong\u003e Each cartridge is wrapped to preserve freshness and integrity until installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eU.S. Support and Warranty:\u003c\/strong\u003e Online registration activates warranty and gives access to lifetime tech support from a U.S.-based team.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis cartridge is aimed at homeowners with known heavy metal concerns or visible rust and chlorine taste issues who need an easy drop-in solution for whole-house or point-of-entry housings. It is particularly useful where lead, arsenic or iron staining have been identified and where customers prefer a non-RO approach that preserves mineral content.\u003c\/p\u003e\u003cp\u003eThose who need to lower Total Dissolved Solids (TDS) or require desalination should look at a reverse osmosis system instead, since this filter does not reduce TDS. Also, if absolute maximum longevity is critical in very high-contamination feeds, plan on more frequent changes than the idealized interval.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEffective at removing lead and other heavy metals based on SGS-tested media claims.\u003c\/li\u003e\n\u003cli\u003eImproves water quality and removes rust staining and chlorine taste in many user reports.\u003c\/li\u003e\n\u003cli\u003eEasy to install in standard 4.5 x 20 housings and individually wrapped for freshness.\u003c\/li\u003e\n\u003cli\u003eLifetime tech support and warranty registration provide added peace of mind.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDurability can vary with source water; some customers report shorter service life under heavy contamination.\u003c\/li\u003e\n\u003cli\u003eDoes not reduce TDS, so it is not a substitute for reverse osmosis when mineral reduction is required.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eiSpring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eFC25B-PB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e4.5 x 20 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTarget Contaminants\u003c\/td\u003e\n\u003ctd\u003eLead, arsenic III \u0026amp; V, cadmium, mercury, chlorine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTest\/Certification\u003c\/td\u003e\n\u003ctd\u003eSGS-tested media for lead removal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Lifetime\u003c\/td\u003e\n\u003ctd\u003eChange every 12 months or up to 100,000 gallons (depends on water)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackaging\u003c\/td\u003e\n\u003ctd\u003eIndividually wrapped cartridge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe FC25B-PB is a solid choice for households needing targeted \u003cstrong\u003eheavy metal reduction\u003c\/strong\u003e and chlorine improvement without installing an RO system. It fits standard housings, is SGS-tested for lead, and delivers clear water quality improvements for many users; just monitor replacement frequency if your source water is heavily contaminated.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWill this reduce TDS?\u003c\/strong\u003e\u003cbr\u003eNo. This cartridge does not reduce total dissolved solids; choose an RO system for TDS reduction.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat housings will it fit?\u003c\/strong\u003e\u003cbr\u003eThe cartridge is a standard 4.5 x 20 in size and fits most compatible brand housings designed for that dimension.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow often should I change it?\u003c\/strong\u003e\u003cbr\u003eChange is recommended every 12 months or after filtering up to about 100,000 gallons, but actual life depends on your water quality.\u003c\/p\u003e","brand":"iSpring","offers":[{"title":"Default Title","offer_id":48263345668315,"sku":"B0DK2GBMYP","price":151.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61x2XuYb06L._AC_SL1500.jpg?v=1778227866","url":"https:\/\/gearmusthave.com\/products\/ispring-fc25b-pb-4-5-x-20-lead-and-heavy-metal-reducing-filter","provider":"GearMustHave","version":"1.0","type":"link"}