{"product_id":"culligan-d40-level-4-drinking-water-replacement-cartridge","title":"Culligan D40 Level-4 Drinking Water Replacement Cartridge","description":"\u003cp\u003eCulligan D40 Level-4 Drinking Water Replacement Cartridge provides clean tasting water for your under-sink system with a 6-month or 600-gallon lifespan.\u003c\/p\u003e\u003cp\u003eDesigned for Culligan under-sink systems, the D40 Level-4 cartridge delivers efficient filtration using a carbon block medium. It targets heavy metals and organic contaminants while maintaining water taste and clarity. The 0.5 micron nominal filtration reduces fine particles and common impurities, helping to improve water quality for drinking and cooking. This cartridge complements standard Culligan filtration configurations and supports consistent performance across daily use.\u003c\/p\u003e\u003cp\u003eEasy installation is built into the system: it drops into Culligan under-sink filters US-600A US-550 US-560 and CTR-210 on a 3\/8-inch cold water line. The design is tool-free, with no plumber required for replacement, making maintenance simple for everyday use.\u003c\/p\u003e\n\u003ch3\u003eFeatures:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eReduces lead, mercury, asbestos, atrazine, lindane, cloudiness, sediment, chloramine, and chlorine taste and odor at 0.5 microns.\u003c\/li\u003e\n\u003cli\u003eUpgrades from D-20A delivering heavy metals and organic contaminant filtration.\u003c\/li\u003e\n\u003cli\u003eFits Culligan under-sink systems US-600A US-550 US-560 and CTR-210 with tool-free installation.\u003c\/li\u003e\n\u003cli\u003eCarbon block media captures finer particles and dissolved contaminants.\u003c\/li\u003e\n\u003cli\u003eSix-month filter life up to 600 gallons per cartridge depending on usage and water conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- \n  SEO KEYWORDS START\n  Culligan under-sink filter cartridge\n  D40 Level-4 cartridge\n  0.5 micron filtration\n  600-gallon lifespan\n  US-600A compatibility\n  SEO KEYWORDS END\n--\u003e","brand":"Culligan","offers":[{"title":"Default Title","offer_id":68025219154174,"sku":"QjAwMENDT1NMOA==","price":75.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/3803\/9806\/files\/culligan-d40-level-4-cartridge-01.jpg?v=1794356690","url":"https:\/\/canadianmarkt.com\/products\/culligan-d40-level-4-drinking-water-replacement-cartridge","provider":"CanadianMarkt","version":"1.0","type":"link"}