{"product_id":"ispring-fm15b-iron-manganese-reducing-replacement-filter-for-wgb21bm-whole-house-system","title":"iSpring FM15B Iron \u0026 Manganese Reducing Replacement Filter for WGB21BM Whole House System","description":"\u003cp\u003eMeet the iSpring FM15B iron and manganese reducing cartridge, a purpose-built 10x4.5 inch replacement designed for whole-house filtration setups such as the iSpring WGB21BM. It sits in line where your home's water first enters, helping to curb visible mineral content and support cleaner-looking water across taps, appliances, and laundry.\u003c\/p\u003e\n\n\u003ch3\u003eCompatibility and design you can trust\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eReduces iron from up to 3.0 ppm to 0.01 ppm and manganese from up to 1.0 ppm to 0.01 ppm, based on typical service conditions.\u003c\/li\u003e\n  \u003cli\u003eFits 10\" x 4.5\" cartridges and works with most whole-house systems that use this size, including WGB21BM.\u003c\/li\u003e\n  \u003cli\u003eEngineered with durable catalytic media that sustains performance without being consumed in the process.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePerformance you can feel in daily use\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eEfficient flow with higher linear velocities, delivering 4–8 GPM while maintaining a manageable 5 psi drop at 8 GPM; suitable for common household needs.\u003c\/li\u003e\n  \u003cli\u003eOperates across a broad range of water conditions: feed water pressure 20–100 psi, pH 5.8–8.6, and temperatures of 40–113°F.\u003c\/li\u003e\n  \u003cli\u003eLong media life, with an expected capacity of up to 30,000 gallons at a 3.0 ppm iron level before replacement is recommended.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eQuality, safety, and support you can rely on\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eManufactured to FDA standards and independently tested to NSF\/ANSI benchmarks for water quality and material safety.\u003c\/li\u003e\n  \u003cli\u003eRegister online to activate an extended manufacturer warranty and enjoy lifetime U.S. technical support.\u003c\/li\u003e\n  \u003cli\u003eDesigned to be installed with confidence in residential settings, providing a practical approach to water filtration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eNote: Real-world results depend on your water chemistry and usage patterns. The FM15B is intended to reduce iron and manganese levels and improve overall water handling for households on compatible 10x4.5 filter systems.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What does the FM15B cartridge do, and is it compatible with my WGB21BM system?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: FM15B reduces iron and manganese in home water and fits 10x4.5 inch filtration systems like WGB21BM.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long does the FM15B cartridge last, and what factors affect replacement timing?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Typically up to 30,000 gallons at 3.0 ppm iron; performance depends on water chemistry and daily usage.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"iSpring","offers":[{"title":"Default Title","offer_id":53089462288495,"sku":"B088C381QD","price":88.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0598\/3087\/files\/ispring-fm15b-iron-manganese-reducing-filter.jpg?v=1778690264","url":"https:\/\/taskholt.com\/products\/ispring-fm15b-iron-manganese-reducing-replacement-filter-for-wgb21bm-whole-house-system","provider":"TaskHolt","version":"1.0","type":"link"}