--- product_id: 44675717 title: "Membrane Solutions NSF/ANSI 58 Certified 400 GPD Reverse Osmosis Membrane" brand: "membrane solutions" price: "486.15 DT" currency: TND in_stock: true reviews_count: 13 category: "Membrane Solutions" url: https://www.desertcart.tn/products/44675717-membrane-solutions-nsf-ansi-58-certified-400-gpd-reverse-osmosis store_origin: TN region: Tunisia --- # 400 GPD high flow capacity 0.0001-micron TFC membrane filtration 97% stabilized salt rejection Membrane Solutions NSF/ANSI 58 Certified 400 GPD Reverse Osmosis Membrane **Brand:** membrane solutions **Price:** 486.15 DT **Availability:** ✅ In Stock ## Summary > 💧 Pure water perfection, engineered for your lifestyle ## Quick Answers - **What is this?** Membrane Solutions NSF/ANSI 58 Certified 400 GPD Reverse Osmosis Membrane by membrane solutions - **How much does it cost?** 486.15 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/44675717-membrane-solutions-nsf-ansi-58-certified-400-gpd-reverse-osmosis) ## Best For - membrane solutions enthusiasts ## Why This Product - Trusted membrane solutions brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Precision Filtration:** 0.0001-micron Thin Film Composite membrane removes 99%+ impurities - • **Ultra-High Flow Rate:** Delivers 400 gallons per day for uninterrupted pure water supply - • **Certified Reliability:** NSF/ANSI 58 certified for trusted, food-grade water safety - • **Industry-Leading Purity:** Achieves 97% salt rejection to ensure crystal-clear hydration - • **Long-Lasting Performance:** Durable membrane lifespan of 2-3 years keeps your system running strong ## Overview The Membrane Solutions ROULP-3012-400 is a premium 12" x 3" reverse osmosis membrane designed for home and light commercial water purification. Certified to NSF/ANSI 58 standards, it delivers a robust 400 gallons per day flow with a 97% stabilized salt rejection rate. Its 0.0001-micron Thin Film Composite membrane effectively removes over 99% of contaminants including heavy metals and harmful minerals, ensuring safe, great-tasting water. Packaged dry for longevity, this membrane typically lasts 2-3 years depending on water quality, making it a reliable upgrade for any RO system. ## Description Buy Membrane Solutions RO Membrane, 400 GPD Reverse Osmosis Membrane, 3.0"x12" Water Filter Replacement for Under Sink Home Drinking RO Water Purifier System: Replacement Under-Sink Water Filters - desertcart.com ✓ FREE DELIVERY possible on eligible purchases Review: Everything you need in your reverse osmosis water filter. - Easy to install better water taste, durable nice appearance and reasonable price. Functionality and durability are good. Review: Perfect fit and nice GPD output upgrade for my RO system. - I waited way too long to replace my previous membrane. Almost 20 years! This replacement fit perfectly and I'm very happy to have the higher GPD output. Quality seems to be excellent. I won't wait 20 years next time to make a replacement. I could tell the RO water quality was back to what it should be after making the replacement. ## Features - Membrane Solutions ROULP-3012-400 reverse osmosis membrane for home drinking water treatment or maple syrup filter systems are among the most reliable and consistent elements in the industry. - With the industry-standard 12" x 3" size, this high capacity RO element fits most standard 3012 RO housing for the light commercial reverse osmosis water systems. - Our membrane elements are shipped dry in an original sealed package for convenient handling and long shelf-life. The membrane normally lasts about 2-3 years depending on your source water quality. - 400 GPD RO membrane with a high 97% stabilized salt rejection rate. Hundreds of impurities are reduced by over 99% through the 0.0001-micron TFC membrane layer, including heavy metals (fluoride, calcium, magnesium, lead, colloids, chromium, and nitrates), organic materials, and harmful minerals, including other soluble salts found in water resources. - MS Reverse Osmosis (RO) membranes are made from 100% food-grade Thin Film Composite (TFC) material for ultimate purification performance with high permeate flow, tested by an independent third-party to meet NSF/ANSI 58 standards - Tips: Recommend work pressure is 100 psi when using this product in a Maple Syrup reverse osmosis system. And we suggest heating and maintaining the raw sap at 104°F(40°C) to prevent clog on the membrane while keeping it under 113°F(45°C) to avoid damage to the membrane due to over-high temperature. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B071SGLF18 | | Best Sellers Rank | #10,374 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #75 in Replacement Under-Sink Water Filters | | Brand | Membrane Solutions | | Brand Name | Membrane Solutions | | Customer Reviews | 4.6 out of 5 stars 3,221 Reviews | | EU Spare Part Availability Duration | 2 years | | External Testing Certification | NSF | | Global Trade Identification Number | 00850071881868 | | Item Dimensions D x W x H | 3"D x 3"W x 12"H | | Item Weight | 16 ounces | | Manufacturer | Membrane Solutions Corp | | Manufacturer Part Number | unknown | | Material | Polyamide Thin-Film Composite | | Material Type | Polyamide Thin-Film Composite | | Model Number | ROULP-3012-400 | | Number of Items | 1 | | Product Benefits | Reduces TDS | | Product Dimensions | 3"D x 3"W x 12"H | | UPC | 850071881868 | | Unit Count | 1 Count | ## Product Details - **External Testing Certification:** NSF - **Item Weight:** 1 Pounds - **Material:** Polyamide Thin-Film Composite - **Product Benefits:** Reduces TDS - **Product Dimensions:** 3"D x 3"W x 12"H ## Images ![Membrane Solutions NSF/ANSI 58 Certified 400 GPD Reverse Osmosis Membrane - Image 1](https://m.media-amazon.com/images/I/51xGrsk-ZjL.jpg) ![Membrane Solutions NSF/ANSI 58 Certified 400 GPD Reverse Osmosis Membrane - Image 2](https://m.media-amazon.com/images/I/81u6kiVxd0L.jpg) ![Membrane Solutions NSF/ANSI 58 Certified 400 GPD Reverse Osmosis Membrane - Image 3](https://m.media-amazon.com/images/I/71+QqNDgrOL.jpg) ![Membrane Solutions NSF/ANSI 58 Certified 400 GPD Reverse Osmosis Membrane - Image 4](https://m.media-amazon.com/images/I/71OaiITxFsL.jpg) ![Membrane Solutions NSF/ANSI 58 Certified 400 GPD Reverse Osmosis Membrane - Image 5](https://m.media-amazon.com/images/I/71ilWg9r4-L.jpg) ## Available Options This product comes in different **Size, Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Everything you need in your reverse osmosis water filter. *by T***N on June 29, 2026* Easy to install better water taste, durable nice appearance and reasonable price. Functionality and durability are good. ### ⭐⭐⭐⭐⭐ Perfect fit and nice GPD output upgrade for my RO system. *by M***D on February 28, 2026* I waited way too long to replace my previous membrane. Almost 20 years! This replacement fit perfectly and I'm very happy to have the higher GPD output. Quality seems to be excellent. I won't wait 20 years next time to make a replacement. I could tell the RO water quality was back to what it should be after making the replacement. ### ⭐⭐⭐⭐⭐ Excellent replacement cartridge *by K***N on July 7, 2026* Works extremely well, it probably the same manufacturer that replaces the RO Buddie membrane because they both look exactly the same but this is cheaper! Works perfectly.. I test each batch of RO water and the results are incredibly perfect! ## Frequently Bought Together - Membrane Solutions RO Membrane, 400 GPD Reverse Osmosis Membrane, 3.0"x12" Water Filter Replacement for Under Sink Home Drinking RO Water Purifier System - Membrane Solutions 3012 RO Membrane Housing Kit, Universal for Semi Commercial 200/300/400 GPD Reverse Osmosis Water Filter Systems, RO Filter Housing Wrench Fittings Set - PUREPLUS 5 Micron 10" x 2.5" Whole House Sediment Home Water Filter Cartridge Replacement for Any 10 inch RO Unit, Culligan P5, Aqua-Pure AP110, Dupont WFPFC5002, CFS10, WHKF-G05, 4Pack --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/44675717-membrane-solutions-nsf-ansi-58-certified-400-gpd-reverse-osmosis](https://www.desertcart.tn/products/44675717-membrane-solutions-nsf-ansi-58-certified-400-gpd-reverse-osmosis) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-07-25*