--- product_id: 44675717 title: "Membrane Solutions NSF/ANSI 58 Certified 400 GPD Reverse Osmosis Membrane | 3.0\"x1.2\" RO Membrane Replacement For UnderSink RO Drinking Water System and Maple Syrup DIY RO System, 1 Pack" brand: "membrane solutions" price: "AR$206904" currency: ARS in_stock: true category: "Membrane Solutions" url: https://www.desertcart.com.ar/products/44675717-membrane-solutions-nsf-ansi-58-certified-400-gpd-reverse-osmosis store_origin: AR region: Argentina --- # 400 GPD high flow rate 0.0001-micron TFC membrane filtration 97% salt rejection efficiency Membrane Solutions NSF/ANSI 58 Certified 400 GPD Reverse Osmosis Membrane | 3.0"x1.2" RO Membrane Replacement For UnderSink RO Drinking Water System and Maple Syrup DIY RO System, 1 Pack **Brand:** membrane solutions **Price:** AR$206904 **Availability:** ✅ In Stock ## Summary > 💧 Pure water, pure power—upgrade your hydration game now! ## Quick Answers - **What is this?** Membrane Solutions NSF/ANSI 58 Certified 400 GPD Reverse Osmosis Membrane | 3.0"x1.2" RO Membrane Replacement For UnderSink RO Drinking Water System and Maple Syrup DIY RO System, 1 Pack by membrane solutions - **How much does it cost?** AR$206904 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/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 - • **Versatile Compatibility:** Fits standard 3"x12" RO housings—perfect for under-sink systems and DIY maple syrup setups. - • **Long-Lasting Performance:** Durable dry-shipped membrane with 2-3 years lifespan, optimized for consistent water quality. - • **Ultra-High Capacity Flow:** Delivers up to 400 gallons per day for uninterrupted pure water supply. - • **Precision Filtration Tech:** 0.0001-micron thin film composite membrane eliminates 99%+ impurities including heavy metals. - • **Certified Purity Assurance:** NSF/ANSI 58 certified to guarantee top-tier contaminant removal. ## Overview Membrane Solutions’ NSF/ANSI 58 certified 400 GPD reverse osmosis membrane offers industry-leading filtration with a 97% salt rejection rate and 0.0001-micron TFC membrane technology. Designed for standard 3"x12" housings, it ensures over 99% removal of heavy metals and contaminants, making it ideal for under-sink drinking water systems and maple syrup DIY filtration. Shipped dry for longevity, this membrane delivers reliable, high-capacity purification for 2-3 years. ## Description Buy Membrane Solutions NSF/ANSI 58 Certified 400 GPD Reverse Osmosis Membrane | 3.0"x1.2" RO Membrane Replacement For UnderSink RO Drinking Water System and Maple Syrup DIY RO System, 1 Pack: Replacement Under-Sink Water Filters - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## 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 | #14,324 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #102 in Replacement Under-Sink Water Filters | | Brand Name | Membrane Solutions | | Customer Reviews | 4.6 4.6 out of 5 stars (3,228) | | 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 Type | Polyamide Thin-Film Composite | | Model Number | ROULP-3012-400 | | Number of Items | 1 | | Product Benefits | Reduces TDS | | UPC | 850071881868 | | Unit Count | 1 Count | ## Product Details - **External Testing Certification:** NSF - **Item Weight:** 16 ounces - **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 | 3.0"x1.2" RO Membrane Replacement For UnderSink RO Drinking Water System and Maple Syrup DIY RO System, 1 Pack - Image 1](https://m.media-amazon.com/images/I/51xGrsk-ZjL.jpg) ![Membrane Solutions NSF/ANSI 58 Certified 400 GPD Reverse Osmosis Membrane | 3.0"x1.2" RO Membrane Replacement For UnderSink RO Drinking Water System and Maple Syrup DIY RO System, 1 Pack - Image 2](https://m.media-amazon.com/images/I/81u6kiVxd0L.jpg) ![Membrane Solutions NSF/ANSI 58 Certified 400 GPD Reverse Osmosis Membrane | 3.0"x1.2" RO Membrane Replacement For UnderSink RO Drinking Water System and Maple Syrup DIY RO System, 1 Pack - Image 3](https://m.media-amazon.com/images/I/71+QqNDgrOL.jpg) ![Membrane Solutions NSF/ANSI 58 Certified 400 GPD Reverse Osmosis Membrane | 3.0"x1.2" RO Membrane Replacement For UnderSink RO Drinking Water System and Maple Syrup DIY RO System, 1 Pack - Image 4](https://m.media-amazon.com/images/I/71OaiITxFsL.jpg) ![Membrane Solutions NSF/ANSI 58 Certified 400 GPD Reverse Osmosis Membrane | 3.0"x1.2" RO Membrane Replacement For UnderSink RO Drinking Water System and Maple Syrup DIY RO System, 1 Pack - Image 5](https://m.media-amazon.com/images/I/71ilWg9r4-L.jpg) ## Available Options This product comes in different **Size, Style** options. ## 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.com.ar/products/44675717-membrane-solutions-nsf-ansi-58-certified-400-gpd-reverse-osmosis](https://www.desertcart.com.ar/products/44675717-membrane-solutions-nsf-ansi-58-certified-400-gpd-reverse-osmosis) --- *Product available on Desertcart Argentina* *Store origin: AR* *Last updated: 2026-08-17*