{"product_id":"nelsen-18x65-filter-unit","title":"Nelsen 18x65 Filter Unit","description":"\u003cp\u003eThe Nelsen 18x65 Filter Unit steps up to commercial-grade filtration, delivering high-volume backwash-only treatment for demanding applications. With its large 18\" x 65\" tank and top-mounted Nelsen control valve, this system is built to handle the flow rates required by light commercial facilities, multi-bathroom properties, and other settings where standard residential units fall short. It provides a scalable foundation for serious whole-building water improvement.\u003c\/p\u003e\u003cp\u003eThis unit features a natural polyglass mineral tank and a stack distributor designed for the larger media volumes that bigger commercial tanks require. The stack distributor and gravel bed work together to spread water evenly across the full media bed, maximizing contact time and ensuring thorough backwashing of the entire bed. The included bypass valve makes it easy to take the system offline for inspection or media changes without interrupting the rest of the plumbing, an important convenience in commercial settings where downtime must be minimized.\u003c\/p\u003e\u003ch3\u003eCommercial Backwash Filtration\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e18\" x 65\" natural polyglass mineral tank for high-capacity service\u003c\/li\u003e\n\u003cli\u003eNelsen C-Series EE 1\" 3-cycle backwash filter valve, top-mounted\u003c\/li\u003e\n\u003cli\u003eBypass valve included for maintenance and servicing\u003c\/li\u003e\n\u003cli\u003eStack distributor with gravel bed for even, full-bed flow\u003c\/li\u003e\n\u003cli\u003eSubstantial unit weight of approximately 203 lbs\u003c\/li\u003e\n\u003cli\u003eFilter media and plumbing connections sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAs a backwash-only system, it cleans itself by periodically reversing flow to purge accumulated particulate, reducing manual maintenance to occasional media replacement. Because the media is selected separately, the Nelsen 18x65 can be tailored to the specific challenge at hand, whether that is sediment, chlorine taste and odor, or another treatment objective. For contractors and facility managers specifying commercial water filtration, this Nelsen unit offers a proven, durable platform that, paired with the right media and plumbing connections, delivers cleaner water at the volumes commercial operations demand.\u003c\/p\u003e\u003cp\u003eProper installation and a drain line of adequate size will ensure backwash cycles run effectively, carrying flushed particulate away without restriction. With the right media selected for your water test results, this Nelsen platform delivers years of dependable service while keeping operating costs low and water quality high throughout the home. As a trusted Nelsen system paired with proven Nelsen control hardware, it brings professional-grade filtration within reach of homeowners and installers alike.\u003c\/p\u003e","brand":"Nelsen Corporation","offers":[{"title":"Default Title","offer_id":45668786405429,"sku":"CAFB-18","price":2406.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/4950\/2261\/files\/cafb-18.jpg?v=1782532970","url":"https:\/\/watersoftenerplus.com\/id-as\/products\/nelsen-18x65-filter-unit","provider":"Water Softener Plus","version":"1.0","type":"link"}