{"product_id":"ispring-wgb21b-filter-pack-2x-fp15b-sediment-2x-fc15b-cto-cartridges-for-10x4-5-in-whole-house-systems","title":"iSpring WGB21B Filter Pack — 2x FP15B Sediment + 2x FC15B CTO Cartridges for 10x4.5 In Whole-House Systems","description":"\u003cp\u003eUpgrade your home filtration with the iSpring WGB21B replacement cartridge pack. This heavy-duty set includes two FP15B sediment filters and two FC15B CTO carbon block filters, designed for 10 x 4.5 inch housings. Built to support steady filtration across a whole-house system, these cartridges work together to deliver water that looks, smells, and tastes better from every faucet while helping protect plumbing and appliances from sediment and scale buildup.\u003c\/p\u003e\n\u003ch3\u003eWhat you get and how it helps\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eUp to 50,000 gallons of filtration capacity, depending on water quality and usage\u003c\/li\u003e\n  \u003cli\u003eReplace every 3 to 6 months for best overall performance\u003c\/li\u003e\n  \u003cli\u003eFP15B sediment filters capture dirt, sand, silt, rust, and scale particles\u003c\/li\u003e\n  \u003cli\u003eFC15B CTO carbon block filter using premium coconut shell carbon reduces chlorine and improves taste and odor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow the components work together\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eThe 5-micron FP15B sediment stage traps dirt and particulates, helping to extend CTO filter life\u003c\/li\u003e\n  \u003cli\u003eThe FC15B CTO carbon block targets chlorine, odors, and many organics for clearer water\u003c\/li\u003e\n  \u003cli\u003eAll materials comply with FDA standards and have third party NSF\/ANSI testing for safety and water quality\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCompatibility and practical use are simple with this official iSpring replacement set for WGB21B. The pack includes two 10x4.5 inch sediment filters and two 10x4.5 inch CTO filters, each cartridge sealed for freshness. Install in standard 10 inch whole-house housings to maintain flow and filtration across your home while supporting the health of your plumbing and appliances.\u003c\/p\u003e\n\u003ch3\u003ePeace of mind and support\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eOfficial replacement cartridges for iSpring WGB21B whole-house systems\u003c\/li\u003e\n  \u003cli\u003eIndividually sealed for freshness and quality assurance\u003c\/li\u003e\n  \u003cli\u003e30-day money-back guarantee with extended manufacturer support and lifetime CS\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote: Real world results depend on your water quality and usage. This pack provides options for enhanced filtration at home and offers a practical path to maintaining filter performance without overpromising outcomes. Consider monthly monitoring of flow and a regular replacement schedule to keep systems running smoothly.\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 this filter pack fit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Fits standard 10x4.5 inch whole-house housings and is the official iSpring replacement for WGB21B, including two FP15B sediment and two FC15B CTO filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace the cartridges?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace every 3 to 6 months depending on water quality and household usage for best results.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"iSpring","offers":[{"title":"Default Title","offer_id":53090157658223,"sku":"B07K34ZBJF","price":114.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0598\/3087\/files\/ispring-wgb21b-filter-pack-sediment-fp15b-10x4-5.jpg?v=1778704479","url":"https:\/\/taskholt.com\/products\/ispring-wgb21b-filter-pack-2x-fp15b-sediment-2x-fc15b-cto-cartridges-for-10x4-5-in-whole-house-systems","provider":"TaskHolt","version":"1.0","type":"link"}