{"title":"Membranes","description":"\u003cp\u003eShop SeaWater Pro® Membranes and Membrane Parts.\u003c\/p\u003e","products":[{"product_id":"membrane-housing","title":"Membrane Housing, Membrane, Endcaps \u0026 Rods (Composite 20\", 40\")","description":"\u003cp\u003eHigh-Pressure 20-Inch and 40-Inch Membrane Housing\u003c\/p\u003e\n\u003cp\u003eProudly made in the USA, this premium housing is constructed from durable epoxy resin and rated for 5,000 PSI burst pressure. It features stainless steel tie rods and double O-ring, Teflon-coated corrosion-resistant end caps for maximum durability and leak protection. This is the highest-quality membrane housing available.\u003c\/p\u003e\n\u003cp\u003eEach unit comes pre-installed with a seawater series reverse osmosis membrane, ready to connect and operate right out of the box.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv\u003e\n\u003ch3\u003eWhat is the function of the 40-inch reverse osmosis membrane?\u003c\/h3\u003e\n\u003cdiv\u003e\n\u003cp\u003eThe 40-inch membrane is the heart of the reverse osmosis system. It removes salt, minerals, and other contaminants from seawater, delivering pure, drinkable freshwater for marine, industrial, and residential applications.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eHow often should I replace the RO membrane?\u003c\/h3\u003e\n\u003cdiv\u003e\n\u003cp\u003eWith proper flushing and regular maintenance, RO membranes typically last 3 to 5 years. Actual lifespan depends on usage, feedwater quality, and system care.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"SeaWater Pro","offers":[{"title":"Modular 40 (Membrane Installed)","offer_id":48511101632745,"sku":"HPV41","price":895.0,"currency_code":"USD","in_stock":true},{"title":"Modular 20 (Membrane Installed)","offer_id":48511101599977,"sku":"HPV40","price":895.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0594\/8968\/1568\/files\/Untitled_design_20.png?v=1770304303"},{"product_id":"40-inch-reserve-osmosis-membrane","title":"Replacement Membrane 40\" (SeaWater Pro®) SW30-2540 Reverse Osmosis","description":"\u003cp\u003eThe membrane is the heart of the Reverse Osmosis (RO) system. It removes salt, minerals, and other contaminants from seawater, delivering pure, drinkable freshwater for marine, industrial, and residential applications.\u003c\/p\u003e\n\u003cp\u003eMembrane with Housing – Frequently Asked Questions (FAQ)\u003c\/p\u003e\n\u003cp\u003eHow often should I replace the RO membrane?\u003c\/p\u003e\n\u003cp\u003eWith proper flushing and regular maintenance, RO membranes typically last 3 to 5 years. Actual lifespan depends on usage, feedwater quality, and system care.\u003c\/p\u003e\n\u003cp\u003eCare should be taken regarding what is discharged overboard while making water, as contaminants can be drawn back into the watermaker and severely damage the membranes.\u003cbr\u003e\u003c\/p\u003e","brand":"SeaWater Pro","offers":[{"title":"Default Title","offer_id":42079339217129,"sku":"SW30-2540","price":349.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0594\/8968\/1568\/files\/6_JIC_38_42.jpg?v=1752251243"},{"product_id":"o-ring-set-of-12","title":"Membrane Housing O-Ring (Set of 12)","description":"Set of 12 O rings: 8 large \u0026amp; 4 small o-rings for Seawater Pro membrane watermakers.","brand":"SeaWater Pro","offers":[{"title":"Default Title","offer_id":44345054953705,"sku":"ORING","price":39.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0594\/8968\/1568\/products\/oRings_1080x1080_c7fa6f71-e455-4d65-a00a-1d98d73e35e0.jpg?v=1678311800"},{"product_id":"anodized-or-stainless-high-pressure-membrane-end-cap","title":"Membrane End Caps (Set of 2)","description":"\u003cp\u003eMarine grade 316L Stainless steel or coated aluminum vessel end caps. They come in pairs. \u003c\/p\u003e","brand":"SeaWater Pro","offers":[{"title":"Coated Aluminum","offer_id":44438260482281,"sku":"Endcaps_Blue","price":150.0,"currency_code":"USD","in_stock":true},{"title":"Stainless Steel 316L","offer_id":44438260515049,"sku":"Endcaps_SS","price":250.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0594\/8968\/1568\/products\/EndcapsBlue_1080x1080_ff839c46-2260-42e5-b356-103da60d9a7e.jpg?v=1677792839"},{"product_id":"membrane-brackets-and-mounting-blamps","title":"Membrane Housing Mounting Clamps (Set of 3)","description":"\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cspan\u003eModular membrane mounting clamps 3\/8 pack of 3. \u003c\/span\u003e\u003c\/p\u003e","brand":"SeaWater Pro","offers":[{"title":"Default Title","offer_id":44438267691241,"sku":"Membrane Brackets","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0594\/8968\/1568\/products\/MembraneClamps_1080x1080_e4aab2ae-518f-4c22-8767-260b0dbf2478.jpg?v=1678311503"},{"product_id":"mini-membrane-filter","title":"Replacement Membrane 14\" (Dow FilmTec) SW30-2514 Reverse Osmosis for Mini Watermaker","description":"\u003cp\u003e\u003cspan\u003eThe membrane is the heart of the Reverse Osmosis (RO) system. It removes salt, minerals, and other contaminants from seawater, delivering pure, drinkable freshwater for marine, industrial, and residential applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMembrane with Housing – Frequently Asked Questions (FAQ)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHow often should I replace the RO membrane?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWith proper flushing and regular maintenance, RO membranes typically last 3 to 5 years. Actual lifespan depends on usage, feedwater quality, and system care.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCare should be taken regarding what is discharged overboard while making water, as contaminants can be drawn back into the watermaker and severely damage the membranes.\u003c\/span\u003e\u003c\/p\u003e","brand":"SeaWater Pro","offers":[{"title":"Default Title","offer_id":44452068425961,"sku":"Mini Membrane Filter","price":349.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0594\/8968\/1568\/files\/6_JIC_38_43.jpg?v=1752251697"},{"product_id":"membrane-housing-1","title":"Membrane Housing Only (Composite 14\", 20\", 40\") Endcap \/ Rods Included","description":"\u003cp\u003eThis \u003cstrong\u003epressure-rated membrane housing \u003c\/strong\u003eis designed to fit standard \u003cmeta charset=\"utf-8\"\u003ereverse osmosis membranes used in SeaWater Pro® Watermaker Systems:\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2.5\" x 40\" (SS option available)\u003c\/li\u003e\n\u003cli\u003e2.5” x 20”\u003c\/li\u003e\n\u003cli\u003e2.5” x 14” \u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBuilt from durable composite materials and rated for high-pressure operation, it ensures a secure seal and long-lasting protection for your RO membrane. Endcaps \/ Rods included \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with RO membranes\u003cbr\u003e2.5\" x 40\" \u003cbr\u003e2.5” x 20”\u003cbr\u003e2.5” x 14”\u003c\/li\u003e\n\u003cli\u003eHigh-pressure rating for seawater desalination\u003c\/li\u003e\n\u003cli\u003eDurable end caps for secure sealing\u003c\/li\u003e\n\u003cli\u003eAvailable in standard or optional stainless steel upgrade\u003c\/li\u003e\n\u003cli\u003eEasy installation and maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFits single and dual membrane SeaWater Pro systems and compatible with most standard marine RO setups.\u003c\/p\u003e\n\u003cp\u003e2x Endcap replacements \u003c\/p\u003e\n\u003cp\u003e4x SS Rods  \u003c\/p\u003e\n\u003cp\u003eCare should be taken regarding what is discharged overboard while making water, as contaminants can be drawn back into the watermaker and severely damage the membranes.\u003c\/p\u003e","brand":"SeaWater Pro","offers":[{"title":"14\" \/ Composite","offer_id":48599296737513,"sku":"MEMBRANEHOU","price":400.0,"currency_code":"USD","in_stock":true},{"title":"20\" \/ Composite","offer_id":48599296770281,"sku":null,"price":445.0,"currency_code":"USD","in_stock":true},{"title":"40\" \/ Composite","offer_id":48599296835817,"sku":null,"price":495.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0594\/8968\/1568\/files\/40_12.png?v=1779993094"},{"product_id":"membrane-housing-stainless-steel-caps-and-rods","title":"Membrane Housing Only (Stainless Steel 40\")","description":"\u003cp data-start=\"3786\" data-end=\"3803\"\u003e\u003cmeta charset=\"utf-8\"\u003eThis\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"3500\" data-end=\"3535\"\u003epressure-rated membrane housing\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis designed to fit standard 2.5\" x 40\" reverse osmosis membranes used in SeaWater Pro watermaker systems. Built from durable composite materials and rated for high-pressure operation, it ensures a secure seal and long-lasting protection for your RO membrane.\u003c\/p\u003e\n\u003cp data-start=\"3786\" data-end=\"3803\"\u003e\u003cstrong data-start=\"3786\" data-end=\"3803\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"3804\" data-end=\"4038\"\u003e\n\u003cli data-start=\"3804\" data-end=\"3847\"\u003e\n\u003cp data-start=\"3806\" data-end=\"3847\"\u003eCompatible with 2.5\" x 40\" RO membranes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3848\" data-end=\"3898\"\u003e\n\u003cp data-start=\"3850\" data-end=\"3898\"\u003eHigh-pressure rating for seawater desalination\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3899\" data-end=\"3938\"\u003e\n\u003cp data-start=\"3901\" data-end=\"3938\"\u003eDurable end caps for secure sealing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3939\" data-end=\"4000\"\u003e\n\u003cp data-start=\"3941\" data-end=\"4000\"\u003eAvailable in standard or optional stainless steel upgrade\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4001\" data-end=\"4038\"\u003e\n\u003cp data-start=\"4003\" data-end=\"4038\"\u003eEasy installation and maintenance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"4040\" data-end=\"4162\"\u003eFits single and dual membrane SeaWater Pro systems and compatible with most standard marine RO setups.\u003c\/p\u003e\n\u003cp data-start=\"4040\" data-end=\"4162\"\u003eCare should be taken regarding what is discharged overboard while making water, as contaminants can be drawn back into the watermaker and severely damage the membranes.\u003c\/p\u003e","brand":"SeaWater Pro","offers":[{"title":"Default Title","offer_id":50098849612009,"sku":"MEMHOUSINGCR","price":745.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0594\/8968\/1568\/files\/6_JIC_38_67.jpg?v=1752793919"},{"product_id":"membrane-housing-stainless-steel-with-membrane-installed","title":"Membrane Housing, Membrane, Endcaps \u0026 Rods (Stainless Steel 40\")","description":"\u003cp\u003eUpgrade your SeaWater Pro watermaker with a 316 stainless steel membrane housing. Available in 40\", these membranes feature 316 stainless steel rods and include end caps, mounting hardware, and three mounting clips. Stainless housings will never corrode and can be purchased with or without the membrane.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv\u003e\n\u003ch3\u003eWhat is the function of the 40-inch reverse osmosis membrane?\u003c\/h3\u003e\n\u003cdiv\u003e\n\u003cp\u003eThe 40-inch membrane is the heart of the reverse osmosis system. It removes salt, minerals, and other contaminants from seawater, delivering pure, drinkable freshwater for marine, industrial, and residential applications.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eHow often should I replace the RO membrane?\u003c\/h3\u003e\n\u003cdiv\u003e\n\u003cp\u003eWith proper flushing and regular maintenance, RO membranes typically last 3 to 5 years. Actual lifespan depends on usage, feedwater quality, and system care.\u003c\/p\u003e\n\u003cp\u003e  \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"SeaWater Pro","offers":[{"title":"With Membrane Installed","offer_id":50098902466793,"sku":"MEMHOUSINGSSWO","price":1145.0,"currency_code":"USD","in_stock":true},{"title":"Without Membrane Installed","offer_id":50098902499561,"sku":"MEMHOUSINGSS","price":795.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0594\/8968\/1568\/files\/WhatsAppImage2026-02-05at11.53.33_0a1d9e05-f4ce-4f32-9b1e-9ca3049d86fc.jpg?v=1770322061"},{"product_id":"membrane-handle-mount","title":"Membrane Handle Mount","description":"\u003cp\u003e\u003cstrong\u003eSeaWater Pro Membrane Handle Mount\u003c\/strong\u003e - If you are looking to make your membranes portable or even find a more secure mounting system, consider the Membrane Handle Mount.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eConstruction \u003c\/strong\u003e- constructed out of marine grade aluminum for quality against corrosion and light-weight portability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePermanent or Portable\u003c\/strong\u003e - with this mount the option of portability or permanent mounting is in your control. Built and designed with two Keyway holes for wall mounting and a handle for carrying. Transparent rubber feet are also included to avoid scratching on gelcoat.\u003c\/p\u003e","brand":"SeaWater Pro","offers":[{"title":"Default Title","offer_id":50100994048233,"sku":"MEMHANDLEMOUNT","price":249.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0594\/8968\/1568\/files\/40_7.png?v=1770394206"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0594\/8968\/1568\/collections\/6_JIC_38_42_square.jpg?v=1781100006","url":"https:\/\/seawaterpro.com\/collections\/membranes.oembed","provider":"SeaWater Pro","version":"1.0","type":"link"}