{"product_id":"fwme2521ro-ulp","title":"Franklin FWME2521RO-ULP Ultra Low Pressure RO Membrane","description":"\u003ch2 dir=\"ltr\"\u003e\u003cspan\u003eCompact 2521 RO Membrane for Water Vending and Pure Lab Systems\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003eWhen your commercial RO system needs to fit inside a tight equipment room, water vending cabinet, or lab bench, the Franklin Water FWME2521RO-ULP reverse osmosis membrane delivers 400 GPD of permeate in a compact 2.5\" x 21\" element. This ultra-low-pressure 2521 membrane rejects 99.2% of dissolved salts at 150 psi, carries NSF\/ANSI 61 certification, and handles feed water up to 2,000 mg\/L TDS.\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cspan\u003eQuick Specs\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e• \u003c\/span\u003e\u003cstrong\u003eMembrane Type\u003c\/strong\u003e\u003cspan\u003e\u003cstrong\u003e:\u003c\/strong\u003e Thin-Film Composite (TFC), Ultra-Low Pressure\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e•\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003eElement Size\u003c\/strong\u003e\u003cspan\u003e\u003cstrong\u003e:\u003c\/strong\u003e 2.5\" x 21\" (standard 2521 format)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e• \u003c\/span\u003e\u003cstrong\u003eActive Membrane Area\u003c\/strong\u003e\u003cspan\u003e\u003cstrong\u003e:\u003c\/strong\u003e 14 ft² (1.3 m²)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e• \u003c\/span\u003e\u003cstrong\u003ePermeate Flow Rate\u003c\/strong\u003e\u003cspan\u003e\u003cstrong\u003e:\u003c\/strong\u003e 400 GPD (1.5 m³\/d)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e• \u003c\/span\u003e\u003cstrong\u003eStabilized Salt Rejection\u003c\/strong\u003e\u003cspan\u003e\u003cstrong\u003e:\u003c\/strong\u003e 99.2%\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e• \u003c\/span\u003e\u003cstrong\u003eMaximum Operating Pressure\u003c\/strong\u003e\u003cspan\u003e\u003cstrong\u003e:\u003c\/strong\u003e 600 psi (4.14 MPa)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e• \u003c\/span\u003e\u003cstrong\u003eMaximum Feed TDS\u003c\/strong\u003e\u003cspan\u003e\u003cstrong\u003e:\u003c\/strong\u003e 2,000 mg\/L\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e• \u003c\/span\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003cspan\u003e\u003cstrong\u003e:\u003c\/strong\u003e NSF\/ANSI 61\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cspan\u003eKey Features and Benefits\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eThis space-saving RO membrane element fits standard 2521 pressure vessels and works in water vending machines, small labs, and tight commercial equipment rooms where a full-length 2540 \u003c\/span\u003e\u003ca href=\"https:\/\/cleanflow.net\/collections\/reverse-osmosis-membranes\"\u003e\u003cspan\u003ereverse osmosis membrane\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e will not fit.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eAs a low-pressure commercial RO membrane, the FWME2521RO-ULP operates at just 150 psi test pressure, reducing pump energy consumption and lowering operating costs compared to standard-pressure elements.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003e99.2% stabilized salt rejection strips dissolved solids from municipal, groundwater, and surface water sources, making this 2521 RO membrane suitable for feed water up to 2,000 mg\/L TDS.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eNSF\/ANSI 61 certified for drinking water system components, confirming the membrane meets health effects requirements for materials in contact with drinking water.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003e14 ft² of active membrane area produces 400 GPD of filtered permeate. As a small commercial reverse osmosis membrane, it supplies enough output for a single water vending station, office RO system, or lab pure water unit.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eWide cleaning pH range of 1 to 13 allows aggressive chemical cleaning cycles to restore water flow through the membrane and extend service life in hard-water or high-fouling environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cspan\u003eFWME2521RO-ULP Specifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv dir=\"ltr\" align=\"left\"\u003e\n\u003ctable style=\"width: 100.027%; height: 1051.59px;\"\u003e\n\u003ccolgroup\u003e \u003ccol style=\"width: 43.088%;\" width=\"240\"\u003e \u003ccol style=\"width: 71.8133%;\" width=\"400\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 35.5859px;\"\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.5859px;\"\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eFranklin Water Treatment\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.5859px;\"\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eFWME2521RO-ULP\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.5859px;\"\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eMembrane Type\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThin-Film Composite (TFC)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.5859px;\"\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eElement Configuration\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eUltra Low Pressure (ULP)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.5859px;\"\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eElement Size\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e2.5\" x 21\" (2521 standard)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.5859px;\"\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eLength\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e21\" \/ 533 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.5859px;\"\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eDiameter\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e2.5\" \/ 63.5 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.5859px;\"\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePermeate Tube Inner Diameter\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e0.75\" \/ 19 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.5859px;\"\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePermeate Tube Extension Length\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e1.1\" \/ 28 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.5859px;\"\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eActive Membrane Area\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e14 ft² \/ 1.3 m²\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.5859px;\"\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePermeate Flow Rate\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e400 GPD \/ 1.5 m³\/d\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.5859px;\"\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eStabilized Salt Rejection\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e99.2%\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.5859px;\"\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eMaximum Operating Pressure\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e600 psi \/ 4.14 MPa\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.5859px;\"\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eStandard Test Pressure\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e150 psi \/ 1.03 MPa\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.5859px;\"\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eTest Solution\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e1,500 mg\/L NaCl\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.5859px;\"\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eTest Temperature\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e25°C\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.5859px;\"\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eTest pH\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e7.5 to 8.0\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.5859px;\"\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eTest Recovery\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e8%\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.5859px;\"\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eMaximum Feed TDS\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e2,000 mg\/L\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.5859px;\"\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eMaximum Feed Flow Rate\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e1 m³\/h \/ 4.4 gpm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.5859px;\"\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eMaximum Feed SDI\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e5\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.5859px;\"\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eFeed Chlorine Tolerance\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e\u0026lt;0.1 mg\/L\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.5859px;\"\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003epH Range (Continuous)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e3 to 10\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.5859px;\"\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003epH Range (Short-Term Cleaning)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e1 to 13\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.5859px;\"\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eMax Element Pressure Drop\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e15 psi \/ 0.1 MPa\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.5859px;\"\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e0 to 45°C (32 to 113°F)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.5859px;\"\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 35.5859px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eNSF\/ANSI 61\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 55.1823px;\"\u003e\n\u003ctd style=\"height: 55.1823px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eTypical Feed Water Sources\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 55.1823px;\"\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eGroundwater, Surface Water, Municipal Water, Industrial Process Water\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cspan\u003eApplications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eWater vending machines and self-serve water refill stations\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eOffice and commercial building point-of-use drinking water\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eLaboratory pure water preparation and analytical pre-treatment\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eBoiler feed water and cooling tower makeup treatment\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eLight commercial beverage and food preparation equipment\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eSurface water and groundwater treatment for sources up to 2,000 mg\/L TDS\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003ePre-treatment stage for high-purity water production systems\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cspan\u003eIndustries\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eCommercial water treatment\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eFood and beverage service\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eLaboratories and research facilities\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eHospitality and office building management\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\" aria-level=\"1\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eLight industrial process water\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cspan\u003eBuy the Franklin Water FWME2521RO-ULP Ultra Low Pressure RO Membrane Online from Cleanflow\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThis compact commercial RO membrane produces 400 GPD with 99.2% salt rejection and NSF\/ANSI 61 certification, all at an ultra-low operating pressure that keeps pump energy costs down. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003ca href=\"https:\/\/cleanflow.net\/\"\u003e\u003cspan\u003eCleanflow Utility Supply Company\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e is an authorized \u003c\/span\u003e\u003ca href=\"https:\/\/cleanflow.net\/collections\/franklin-water\"\u003e\u003cspan\u003eFranklin Water Treatment\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e distributor. The FWME2521RO-ULP, compatible \u003c\/span\u003e\u003ca href=\"https:\/\/cleanflow.net\/collections\/reverse-osmosis-system-accessories\"\u003e\u003cspan\u003ereverse osmosis system accessories\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e, and replacement parts ship across Canada and the USA. Returns accepted within 30 days at returns.cleanflow.net.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cspan\u003eFrequently Asked Questions\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cspan\u003eWhat systems does a 2521 RO membrane fit?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe 2521 is one of the smallest standard commercial reverse osmosis membrane sizes. It fits any 2.5\" pressure vessel that accepts 2521-format elements. Common setups include compact commercial RO systems, water vending machines, and small lab water purification units. Confirm your existing membrane dimensions before ordering to make sure the housing matches.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cspan\u003eWhat is the difference between a 2521 and a 2540 RO membrane?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eBoth are 2.5\" in diameter, but the Franklin Water 2521 membrane is 21 inches long and the 2540 is 40 inches long. The shorter 2521 produces less permeate (400 GPD vs 750 GPD for the Franklin Water ULP models) but fits in tighter spaces. Choose the 2521 when your equipment room or membrane housing cannot hold a full-length element.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cspan\u003eIs the FWME2521RO-ULP safe for commercial drinking water systems?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eYes. This Franklin Water 2521 ULP membrane carries NSF\/ANSI 61 certification, which means it has passed health-effects testing for materials that come in contact with drinking water. That makes it suitable for office water dispensers, beverage equipment, and any system producing water for human consumption.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cspan\u003eWhat feed pressure does this ULP RO membrane need?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe standard test pressure is 150 psi, but actual operating pressure depends on your feed water quality, temperature, and system setup. Because ultra-low-pressure RO membranes produce their rated output at lower pressures than standard commercial elements, they need smaller booster pumps and use less electricity over the membrane's service life.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cspan\u003eWhat pre-treatment do I need for a 2.5 x 21 reverse osmosis membrane?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eFeed water must have less than 0.1 mg\/L free chlorine and an SDI (Silt Density Index, a measure of particle content in the water) below 5. At a minimum, install a carbon pre-filter to remove chlorine and a sediment filter to control particulates. Cleanflow stocks compatible \u003c\/span\u003e\u003ca href=\"https:\/\/cleanflow.net\/collections\/reverse-osmosis-filters\"\u003e\u003cspan\u003ereverse osmosis filters\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e for both stages. For groundwater or surface water with elevated hardness, add a softener or antiscalant dosing system (a chemical treatment that prevents mineral buildup) to protect the membrane surface.\u003c\/span\u003e\u003c\/p\u003e","brand":"Franklin Water","offers":[{"title":"2.5\" x 21\" (Standard 2521 Format) \/ 400 GPD (1.5 m³\/d)","offer_id":54008902353260,"sku":"FWME2521RO-ULP","price":371.28,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1016\/5405\/files\/Franklin_FWME2521RO-ULP_Ultra_Low_Pressure_RO_Membrane_1.webp?v=1783086858","url":"https:\/\/cleanflow.net\/products\/fwme2521ro-ulp","provider":"Cleanflow","version":"1.0","type":"link"}