{"product_id":"dupont-filmtec-eco-pro-400i-8-brackish-ro-membrane-11-500-gpd-99-7-rejection-ilec","title":"DuPont FilmTec Eco Pro-400i 8\" Brackish RO Membrane | 11,500 GPD | 99.7% Rejection | iLEC","description":"\u003cp dir=\"auto\"\u003eThe \u003cstrong\u003eFilmTec Eco Pro-400i\u003c\/strong\u003e is an 8\" × 40\" thin-film composite brackish-water RO element designed for plants that need high rejection without high energy cost. Tested at 2,000 ppm NaCl, 150 psi, 77°F, pH 8, 15% recovery.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eKey specs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003ePermeate flow: \u003cstrong\u003e11,500 GPD\u003c\/strong\u003e (43.5 m³\/d) ±15%\u003c\/li\u003e\n\u003cli\u003eStabilized salt rejection: \u003cstrong\u003e99.7%\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMinimum salt rejection: \u003cstrong\u003e99.4%\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eActive area: \u003cstrong\u003e400 ft²\u003c\/strong\u003e (37 m²)\u003c\/li\u003e\n\u003cli\u003eFeed spacer: \u003cstrong\u003e34 mil LDP\u003c\/strong\u003e (low differential pressure)\u003c\/li\u003e\n\u003cli\u003eSize: \u003cstrong\u003e8\" diameter × 40\" length\u003c\/strong\u003e (fits standard 8\" vessels)\u003c\/li\u003e\n\u003cli\u003eEnd caps: \u003cstrong\u003eiLEC interlocking\u003c\/strong\u003e — fewer O-ring leak paths\u003c\/li\u003e\n\u003cli\u003eMembrane: polyamide TFC\u003c\/li\u003e\n\u003cli\u003eMax pressure: 600 psi\u003c\/li\u003e\n\u003cli\u003eMax temperature: 113°F (45°C); 95°F if pH \u0026gt; 10\u003c\/li\u003e\n\u003cli\u003eContinuous pH: 2–11 | Cleaning pH: 1–13\u003c\/li\u003e\n\u003cli\u003eMax feed SDI: 5\u003c\/li\u003e\n\u003cli\u003eFree chlorine: \u0026lt; 0.1 ppm\u003c\/li\u003e\n\u003cli\u003eMax feed flow: 75 gpm\u003c\/li\u003e\n\u003cli\u003eMax ΔP per element: 15 psi\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eWhy plants spec this element\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eHigh rejection at 150 psi — lower pump energy than standard BW elements\u003c\/li\u003e\n\u003cli\u003eStrong silica, boron, nitrate, TOC, and ammonium rejection\u003c\/li\u003e\n\u003cli\u003e34-mil LDP spacer cuts pressure drop and fouling impact\u003c\/li\u003e\n\u003cli\u003eWide clean pH window (1–13) for tougher CIP\u003c\/li\u003e\n\u003cli\u003eiLEC end caps reduce coupler\/O-ring leak risk vs. standard ATDs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eTypical uses\u003c\/strong\u003e Industrial utility water, demineralization, boiler feed, cooling-tower makeup, municipal purification, and water reuse.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eFits standard 8\" pressure vessels. Drop-in replacement for Eco Pro-400 \/ Eco Pro-400i style housings. Confirm vessel style (iLEC vs. standard coupler) before ordering.\u003c\/p\u003e","brand":"KnappRO","offers":[{"title":"Default Title","offer_id":50514160025840,"sku":null,"price":640.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/9453\/5152\/files\/f2bbb.jpg?v=1790017712","url":"https:\/\/knapprochicago.com\/products\/dupont-filmtec-eco-pro-400i-8-brackish-ro-membrane-11-500-gpd-99-7-rejection-ilec","provider":"KnappRO","version":"1.0","type":"link"}