CSM Nanofiltration Membranes | CSM Reverse Osmosis Membranes | CSM RO Membranes 1200 GPD
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CSM

CSM manufactures high-performance reverse osmosis and nanofiltration membranes recognized for consistent quality and strong value across residential, light commercial, and industrial applications. As an authorized All For Water distributor, we stock genuine CSM elements and ship them the same day from our Florida warehouse.

Our CSM inventory includes residential and light-commercial RO membranes, nanofiltration (NF) membranes for selective hardness and organics reduction, and BLF ultra-low-pressure RO membranes that cut energy use while maintaining high rejection. Sizes and configurations are available for everything from under-sink systems to commercial RO skids.

Need help choosing between standard RO, low-pressure, or nanofiltration for your water? Our team can match a CSM element to your TDS, pressure, and production goals. Order genuine CSM membranes at wholesale pricing with authorized-distributor warranty and fast shipping nationwide.

<p>Model Flow Rate (GPD,m 3 /d) ULTRA LOW PRESSURE CSM RO MEMBRANE: RE8040-BLF440 12,650 (47.9) ULTRA LOW PRESSURE CSM RO MEMBRANE: RE8040-BLF 11,500 (43.5) ULTRA LOW PRESSURE CSM RO MEMBRANE: RE4040-BLF 2,500 (9.5) ULTRA LOW PRESSURE CSM RO MEMBRANE: RE2540-BLF 930 (3.5) ULTRA LOW PRESSURE CSM RO MEMBRANE: RE4021-BLF 1,200 (4.5)</p> <table summary="Low pressure grade"> <thead> <tr> <th>Model</th> <th>Flow Rate<br>(GPD,m<sup>3</sup>/d)</th> <th>Salt Rejection(%)</th> <th>Diameter/<br>Length (inch)</th> <th>Test Conditions</th> </tr> </thead> <tbody> <tr> <td>RE8040-BLF440</td> <td>12,650 (47.9)</td> <td>99.2</td> <td>8.0 / 40</td> <td>40" LP High Flux</td> </tr> <tr> <td>RE8040-BLF*</td> <td>11,500 (43.5)</td> <td>99.2</td> <td>8.0 / 40</td> <td>40" LP High Flux</td> </tr> <tr> <td>RE4040-BLF*</td> <td>2,500 (9.5)</td> <td>99.2</td> <td>4.0 / 40</td> <td>40" LP High Flux</td> </tr> <tr> <td>RE2540-BLF</td> <td>930 (3.5)</td> <td>99.2</td> <td>2.5 / 40</td> <td>40" LP High Flux</td> </tr> <tr> <td>RE4021-BLF*</td> <td>1,200 (4.5)</td> <td>99.2</td> <td>4.0 / 21</td> <td>21" LP High Flux</td> </tr> </tbody> </table> <ul> <li>40" LP High Flux test conditions: NaCl 500 mg/L, Pressure 100 psig, Temperature 25&deg;C, pH 6.5-7.0 Recovery 15%</li> <li>40" LP Standard test conditions: NaCl 1,500 mg/L, Pressure 150 psig, Temperature 25&deg;C, pH 6.5-7.0 Recovery 15%</li> <li>21" LP High Flux test conditions: NaCl 500 mg/L, Pressure 100 psig, Temperature 25&deg;C, pH 6.5-7.0 Recovery 8%</li> <li>&nbsp;</li> </ul> <h2>Product Details</h2> <ul> <li><strong>Brand:</strong> CSM</li> <li><strong>Category:</strong> Reverse Osmosis Membranes</li> <li><strong>Condition:</strong> New</li> <li><strong>Availability:</strong> In stock &mdash; same-day shipping on most orders</li> <li><strong>Ships from:</strong> Pembroke Park, FL (Miami&ndash;Fort Lauderdale metro)</li> </ul> <h2>Applications &amp; Compatibility</h2> <p>The Csm Blf Ultra Low Pressure RO Membranes is used by water treatment professionals in Reverse Osmosis Membranes applications.</p> <h2>Ordering &amp; Availability</h2> <p>All For Water is an authorized CSM distributor. The Csm Blf Ultra Low Pressure RO Membranes is sold at wholesale, quote-based pricing &mdash; request a quote for current pricing, volume discounts, and lead time. Most in-stock items ship the same day from our Pembroke Park, FL warehouse, with delivery throughout the continental United States.</p> <h2>Frequently Asked Questions</h2> <h3>How much does the Csm Blf Ultra Low Pressure RO Membranes cost?</h3> <p>All For Water sells the Csm Blf Ultra Low Pressure RO Membranes at wholesale, quote-based pricing. Request a quote for current pricing and volume discounts.</p> <h3>Is the Csm Blf Ultra Low Pressure RO Membranes in stock?</h3> <p>Most items are in stock and ship the same day from our Pembroke Park, FL warehouse when ordered before 1:00 PM ET.</p> <h3>Is All For Water an authorized CSM distributor?</h3> <p>Yes &mdash; All For Water is an authorized distributor of CSM and has served water treatment professionals for over 25 years.</p> <h3>Do you ship the Csm Blf Ultra Low Pressure RO Membranes nationwide?</h3> <p>Yes. We ship wholesale orders throughout the continental United States from our South Florida warehouse.</p>

Csm Blf Ultra Low Pressure RO Membranes

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<p>The Csm Nanofiltration Membranes is used in Reverse Osmosis Membranes applications and supplied wholesale by All For Water.</p> <table summary="Low pressure grade"> <thead> <tr> <th>Model</th> <th>Flow Rate<br>(GPD,m<sup>3</sup>/d)</th> <th>NaCl<br>Rejection(%)</th> <th>MgSO<sub>4</sub><br>Rejection (%)</th> <th>Diameter/<br>Length (inch)</th> <th>Test Conditions</th> </tr> <tr> <td><strong>CSM REVERSE OSMOSIS MEMBRANE:&nbsp;</strong>NE8040-40*</td> <td>12,000 (45.4)</td> <td>20-40</td> <td>99.0</td> <td>8.0 / 40</td> <td>NE Standard</td> </tr> <tr> <td><strong>CSM REVERSE OSMOSIS MEMBRANE:</strong> NE8040-70*</td> <td>9,000 (34.1)</td> <td>30-70</td> <td>99.0</td> <td>8.0 / 40</td> <td>NE Standard (MgSO4)</td> </tr> <tr> <td><strong>CSM REVERSE OSMOSIS MEMBRANE:</strong> NE8040-90*</td> <td>8,000 (30.3)</td> <td>90-97</td> <td>&nbsp;</td> <td>8.0 / 40</td> <td>NE Standard</td> </tr> <tr> <td><strong>CSM REVERSE OSMOSIS MEMBRANE:</strong> NE8040-ARM</td> <td>5,400 (20.4)</td> <td>&nbsp;</td> <td>99.0</td> <td>8.0 / 40</td> <td>NE Standard (MgSO4)</td> </tr> <tr> <td><strong>CSM REVERSE OSMOSIS MEMBRANE:</strong> NE8040-SRM</td> <td>8,500 (32.2)</td> <td>&nbsp;</td> <td>99.5</td> <td>8.0 / 40</td> <td>NE Standard (MgSO4)</td> </tr> <tr> <td><strong>CSM REVERSE OSMOSIS MEMBRANE:</strong> NE4040-40*</td> <td>2,500 (9.5)</td> <td>20-40</td> <td>99.0</td> <td>4.0 / 40</td> <td>NE Standard</td> </tr> <tr> <td><strong>CSM REVERSE OSMOSIS MEMBRANE:</strong> NE4040-70*</td> <td>1,900 (7.2)</td> <td>30-70</td> <td>99.0</td> <td>4.0 / 40</td> <td>NE Standard</td> </tr> <tr> <td><strong>CSM REVERSE OSMOSIS MEMBRANE:</strong> NE4040-90*</td> <td>1,700 (6.4)</td> <td>90-97</td> <td>&nbsp;</td> <td>4.0 / 40</td> <td>NE Standard (NaCl)</td> </tr> <tr> <td><strong>CSM REVERSE OSMOSIS MEMBRANE:</strong> NE4040-ARM</td> <td>1,100 (4.2)</td> <td>&nbsp;</td> <td>99.0</td> <td>8.0 / 40</td> <td>NE Standard (MgSO4)</td> </tr> <tr> <td><strong>CSM REVERSE OSMOSIS MEMBRANE:</strong> NE4040-SRM</td> <td>1,800 (6.8)</td> <td>&nbsp;</td> <td>99.5</td> <td>8.0 / 40</td> <td>NE Standard (MgSO4)</td> </tr> </thead> </table> <h2>Product Details</h2> <ul> <li><strong>Brand:</strong> CSM</li> <li><strong>Category:</strong> Reverse Osmosis Membranes</li> <li><strong>Condition:</strong> New</li> <li><strong>Availability:</strong> In stock &mdash; same-day shipping on most orders</li> <li><strong>Ships from:</strong> Pembroke Park, FL (Miami&ndash;Fort Lauderdale metro)</li> </ul> <h2>Applications &amp; Compatibility</h2> <p>The Csm Nanofiltration Membranes is used by water treatment professionals in Reverse Osmosis Membranes applications.</p> <h2>Ordering &amp; Availability</h2> <p>All For Water is an authorized CSM distributor. The Csm Nanofiltration Membranes is sold at wholesale, quote-based pricing &mdash; request a quote for current pricing, volume discounts, and lead time. Most in-stock items ship the same day from our Pembroke Park, FL warehouse, with delivery throughout the continental United States.</p> <h2>Frequently Asked Questions</h2> <h3>How much does the Csm Nanofiltration Membranes cost?</h3> <p>All For Water sells the Csm Nanofiltration Membranes at wholesale, quote-based pricing. Request a quote for current pricing and volume discounts.</p> <h3>Is the Csm Nanofiltration Membranes in stock?</h3> <p>Most items are in stock and ship the same day from our Pembroke Park, FL warehouse when ordered before 1:00 PM ET.</p> <h3>Is All For Water an authorized CSM distributor?</h3> <p>Yes &mdash; All For Water is an authorized distributor of CSM and has served water treatment professionals for over 25 years.</p> <h3>Do you ship the Csm Nanofiltration Membranes nationwide?</h3> <p>Yes. We ship wholesale orders throughout the continental United States from our South Florida warehouse.</p>

Csm® Nanofiltration Membranes

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<p>The Csm Residential and Light Commercial Membranes is used in Reverse Osmosis Membranes applications and supplied wholesale by All For Water.</p> <table id="tablepress-43"> <thead> <tr> <th><strong>ITEM PART</strong></th> <th><strong>SIZE</strong></th> <th><strong>FLOW RATE (GPD)</strong></th> <th><strong>CHARACTERISTICS</strong></th> </tr> </thead> <tbody> <tr> <td><strong>CSM REVERSE OSMOSIS MEMBRANE: RE-25</strong></td> <td>1.8&rdquo; x 12&rdquo;</td> <td>24</td> <td>&nbsp;</td> </tr> <tr> <td><strong>CSM REVERSE OSMOSIS MEMBRANE: RE-50</strong></td> <td>1.8&rdquo; x 12&rdquo;</td> <td>50</td> <td>NSF Certified</td> </tr> <tr> <td><strong>CSM REVERSE OSMOSIS MEMBRANE: RE-80</strong></td> <td>1.8&rdquo; x 12&rdquo;</td> <td>80</td> <td>NSF Certified</td> </tr> <tr> <td><strong>CSM REVERSE OSMOSIS MEMBRANE: RE-100</strong></td> <td>2.0&rdquo; x 12&rdquo;</td> <td>100</td> <td>NSF Certified</td> </tr> <tr> <td><strong>CSM REVERSE OSMOSIS MEMBRANE: RE-150</strong></td> <td>2.0&rdquo; x 12&rdquo;</td> <td>150</td> <td>Low Pressure</td> </tr> <tr> <td><strong>CSM REVERSE OSMOSIS MEMBRANE: RE2521BE</strong></td> <td>2.5&rdquo; x 21&rdquo;</td> <td>400</td> <td>High Pressure</td> </tr> <tr> <td><strong>CSM REVERSE OSMOSIS MEMBRANE: RE2521BLN</strong></td> <td>2.5&rdquo; x 21&rdquo;</td> <td>400</td> <td>Low Pressure</td> </tr> <tr> <td><strong>CSM SEA WATER REVERSE OSMOSIS MEMBRANE: RE2521SW</strong></td> <td>2.5&rdquo; x 21&rdquo;</td> <td>300</td> <td>Sea Water</td> </tr> <tr> <td><strong>CSM REVERSE OSMOSIS MEMBRANE: RE2540BE</strong></td> <td>2.5&rdquo; x 40&rdquo;</td> <td>1,000</td> <td>High pressure</td> </tr> <tr> <td><strong>CSM REVERSE OSMOSIS MEMBRANE: RE2540BLN</strong></td> <td>2.5&rdquo; x 40&rdquo;</td> <td>930</td> <td>Low pressure</td> </tr> <tr> <td><strong>CSM SEAWATER REVERSE OSMOSIS MEMBRANE: RE2540SW</strong></td> <td>2.5&rdquo; x 40&rdquo;</td> <td>560</td> <td>Sea Water</td> </tr> <tr> <td><strong>CSM REVERSE OSMOSIS MEMBRANE: RE4021BLN</strong></td> <td>4.0&rdquo; x 21&rdquo;</td> <td>1,200</td> <td>Low pressure</td> </tr> <tr> <td><strong>CSM REVERSE OSMOSIS MEMBRANE: RE4021BE</strong></td> <td>4.0&rdquo; x 21&rdquo;</td> <td>1,200</td> <td>High pressure</td> </tr> <tr> <td><strong>CSM REVERSE OSMOSIS MEMBRANE: RE4040BLN</strong></td> <td>4.0&rdquo; x 40&rdquo;</td> <td>2,600</td> <td>Low Pressure, NSF Certified</td> </tr> <tr> <td><strong>CSM REVERSE OSMOSIS MEMBRANE: RE4040BE</strong></td> <td>4.0&rdquo; x 40&rdquo;</td> <td>2,400</td> <td>High Pressure, NSF Certified</td> </tr> </tbody> </table> <h2>Product Details</h2> <ul> <li><strong>Brand:</strong> CSM</li> <li><strong>Category:</strong> Reverse Osmosis Membranes</li> <li><strong>Condition:</strong> New</li> <li><strong>Availability:</strong> In stock &mdash; same-day shipping on most orders</li> <li><strong>Ships from:</strong> Pembroke Park, FL (Miami&ndash;Fort Lauderdale metro)</li> </ul> <h2>Applications &amp; Compatibility</h2> <p>The Csm Residential and Light Commercial Membranes is used by water treatment professionals in Reverse Osmosis Membranes applications.</p> <h2>Ordering &amp; Availability</h2> <p>All For Water is an authorized CSM distributor. The Csm Residential and Light Commercial Membranes is sold at wholesale, quote-based pricing &mdash; request a quote for current pricing, volume discounts, and lead time. Most in-stock items ship the same day from our Pembroke Park, FL warehouse, with delivery throughout the continental United States.</p> <h2>Frequently Asked Questions</h2> <h3>How much does the Csm Residential and Light Commercial Membranes cost?</h3> <p>All For Water sells the Csm Residential and Light Commercial Membranes at wholesale, quote-based pricing. Request a quote for current pricing and volume discounts.</p> <h3>Is the Csm Residential and Light Commercial Membranes in stock?</h3> <p>Most items are in stock and ship the same day from our Pembroke Park, FL warehouse when ordered before 1:00 PM ET.</p> <h3>Is All For Water an authorized CSM distributor?</h3> <p>Yes &mdash; All For Water is an authorized distributor of CSM and has served water treatment professionals for over 25 years.</p> <h3>Do you ship the Csm Residential and Light Commercial Membranes nationwide?</h3> <p>Yes. We ship wholesale orders throughout the continental United States from our South Florida warehouse.</p>

Csm® Residential and Light Commercial Membranes

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