{"product_id":"pentair-155281-43-deionization-filter-cartridge-1850-grains","title":"Pentair 155281-43 Deionization Filter Cartridge 1850 Grains","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe PENTAIR 155281-43 is a 20-inch deionization specialty filter cartridge designed to reduce Total Dissolved Solids (TDS) and Organics (TOC) from water streams. With a capacity of 1850 grains and a flow rate of 1.25 GPM, this cartridge handles the purification demands found in industrial process lines, commercial water treatment systems, and laboratory water supply applications. It measures 20 inches in height with a 4.5-inch diameter and is rated for water temperatures up to 100 degrees F. Licensed water treatment technicians and facility maintenance professionals are the typical installers of this cartridge type.\u003c\/p\u003e\n\u003cp\u003eThis filter cartridge is suited for industrial, commercial, and laboratory environments where high-purity water is required. It is commonly installed in multi-stage filtration housings where deionization follows sediment and carbon prefiltration stages. The specialty deionization media targets ionic contaminants and organic compounds, making it appropriate for applications such as laboratory reagent water preparation, industrial process water, and commercial purification systems that require consistent TDS reduction.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e1850-grain deionization capacity for sustained TDS reduction between replacements\u003c\/li\u003e\n  \u003cli\u003e1.25 GPM flow rate supports continuous-use purification systems\u003c\/li\u003e\n  \u003cli\u003eReduces Total Dissolved Solids (TDS) and Organics (TOC)\u003c\/li\u003e\n  \u003cli\u003eRated for water temperatures up to 100 degrees F\u003c\/li\u003e\n  \u003cli\u003e20-inch length fits standard 20-inch big blue and compatible filter housings\u003c\/li\u003e\n  \u003cli\u003e4.5-inch diameter fits appropriately sized housings used in industrial and laboratory installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement specialty deionization cartridge for standard 20-inch filter housings used in industrial, commercial, and laboratory water treatment applications.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a qualified water treatment technician or licensed plumber familiar with multi-stage filtration systems. Shut off the water supply and relieve system pressure before opening the filter housing to replace the cartridge. Follow applicable plumbing codes, including IPC guidelines, for potable and process water system work. Do not exceed the rated maximum water temperature of 100 degrees F during operation.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCapacity\u003c\/strong\u003e: 1850 Grains\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlow Rate\u003c\/strong\u003e: 1.25 GPM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMax Water Temperature\u003c\/strong\u003e: 100 degrees F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight\u003c\/strong\u003e: 20 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiameter\u003c\/strong\u003e: 4.5 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReduction Claim\u003c\/strong\u003e: Total Dissolved Solids (TDS), Organics (TOC)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Type\u003c\/strong\u003e: Filter Cartridge\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFilter Type\u003c\/strong\u003e: Specialty Deionization\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Industrial, Commercial, Laboratory\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: PENTAIR\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 155281-43\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PENTAIR","offers":[{"title":"Default Title","offer_id":51268913529138,"sku":"155281-43","price":247.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/308912582.jpg?v=1780709503","url":"https:\/\/voomisupply.com\/products\/pentair-155281-43-deionization-filter-cartridge-1850-grains","provider":"Voomi Supply","version":"1.0","type":"link"}