--- product_id: 35285952 title: "Greatwell Reverse Osmosis Membrane 100 GPD 11.75” X 1.75”, Replacement Fits Standard Under Sink RO Drinking Water Filtration System, MC1" brand: "ispring" price: "€ 99.37" currency: EUR in_stock: true category: "I Spring" url: https://www.desertcart.hr/products/35285952-greatwell-reverse-osmosis-membrane-100-gpd-11-75-x-1 store_origin: HR region: Croatia --- # 100 GPD capacity Standard 11.75" x 1.75" size 99% contaminant removal Greatwell Reverse Osmosis Membrane 100 GPD 11.75” X 1.75”, Replacement Fits Standard Under Sink RO Drinking Water Filtration System, MC1 **Brand:** ispring **Price:** € 99.37 **Availability:** ✅ In Stock ## Summary > 💧 Elevate your hydration game with water so pure, you’ll wonder how you lived without it! ## Quick Answers - **What is this?** Greatwell Reverse Osmosis Membrane 100 GPD 11.75” X 1.75”, Replacement Fits Standard Under Sink RO Drinking Water Filtration System, MC1 by ispring - **How much does it cost?** € 99.37 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/35285952-greatwell-reverse-osmosis-membrane-100-gpd-11-75-x-1) ## Best For - ispring enthusiasts ## Why This Product - Trusted ispring brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Fits Like a Glove:** Industry-standard 11.75" x 1.75" size ensures seamless replacement in most under-sink RO systems. - • **Certified Confidence:** NSF/ANSI tested and certified for food-grade safety and superior filtration efficiency. - • **Powerful Performance:** Delivers up to 100 gallons per day, keeping your household hydrated without interruption. - • **Pure Water, Zero Compromise:** Removes up to 99% of 1,000+ contaminants including lead, chlorine, and fluoride for crystal-clear hydration. - • **Lifetime Support, Zero Worries:** Register for warranty and enjoy lifetime free tech support—because your peace of mind matters. ## Overview The iSpring Greatwell Reverse Osmosis Membrane (100 GPD, 11.75" x 1.75") is a high-capacity, NSF-certified replacement filter designed to fit standard under-sink RO systems. It removes up to 99% of over 1,000 contaminants including lead, chlorine, and fluoride, delivering up to 100 gallons of clean drinking water daily. Made from premium food-grade materials, it ensures safe, reliable filtration with lifetime customer support and warranty registration for lasting peace of mind. ## Description iSpring Greatwell Reverse Osmosis Membrane 100 GPD 11.75” X 1.75”, Replacement Fits Standard Under Sink RO Drinking Water Filtration System, MC1 - Water Filters - desertcart.com ## Features - Enjoy Your Water with Confidence: Our Reverse Osmosis membrane is able to remove up to 99% of over 1,000 contaminants from your water, including lead (removes up to 98% of lead), chlorine, fluoride, arsenic, asbestos, calcium, sodium and more. - Top-notch Quality - Tested by independent third-party to meet NSF/ANSI Standards, our Reverse Osmosis Membrane is made of food-grade high capacity material that provides high packing density to remove contaminants. With the 0.0001 micron size, it only allows water molecules to squeeze through and virtually nothing else. TDS rejection rate up to 97% (under NSF58 testing condition). - Standard Size - With 11.75" X 1.75" industry-standard size, our membrane fits most standard under sink RO membrane housings. It has the capability of producing 75 gallons of water per day, ensuring that families of nearly any size will have plenty of clean drinking water available on demand. - Peace of Mind Customer Service - Register online to activate your manufacturer warranty and life-time free tech support. We stand behind our products and if you encounter any problems with any of our products please reach out to us immediately. We are happy to help! - Please note - The membrane normally lasts about 2-3 years depending on your source water quality. If your water is very hard (Total Dissolved Solids level above 750 ppm), please contact us for customized solutions. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B007TB9NEC | | Best Sellers Rank | #5,657 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #92 in Replacement Water Filters | | Brand Name | iSpring | | Customer Reviews | 4.7 4.7 out of 5 stars (202) | | EU Spare Part Availability Duration | 3 Years | | External Testing Certification | NSF | | Global Trade Identification Number | 00662425048113 | | Included Components | RO membrane | | Item Dimensions D x W x H | 1.7"D x 1.7"W x 11.75"H | | Item Type Name | , 100 GPD, 11.75” X 1.75” | | Item Weight | 7.4 Ounces | | Manufacturer | iSpring | | Manufacturer Part Number | MC1 | | Material Type | Aromatic Polyamide, Cellulose Acetate, Thin Film Composite Membrane | | Model Number | MC | | Number of Items | 1 | | Product Benefits | Removes up to 99% of over 1,000 contaminants from water, including lead, chlorine, fluoride, arsenic, asbestos, calcium, sodium, and more. | | Set Name | Standard Set | | UPC | 662425048113 | | Unit Count | 1.0 Count | ## Product Details - **External Testing Certification:** NSF - **Item Weight:** 7.4 Ounces - **Material:** Aromatic Polyamide, Cellulose Acetate, Thin Film Composite Membrane - **Product Dimensions:** 1.7"D x 1.7"W x 11.75"H ## Images ![Greatwell Reverse Osmosis Membrane 100 GPD 11.75” X 1.75”, Replacement Fits Standard Under Sink RO Drinking Water Filtration System, MC1 - Image 1](https://m.media-amazon.com/images/I/61l4CyFt48L.jpg) ## Available Options This product comes in different **Style** options. ## Frequently Bought Together - iSpring MC1 1.8-Inch x 12-Inch 100GPD Reverse Osmosis Membrane - iSpring F9K 1-Year Reverse Osmosis Water Filter Replacement Cartridge Pack Set for 6-Stage Alkaline Mineral RO Filtration Systems, Without Membrane, White --- ## 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.hr/products/35285952-greatwell-reverse-osmosis-membrane-100-gpd-11-75-x-1](https://www.desertcart.hr/products/35285952-greatwell-reverse-osmosis-membrane-100-gpd-11-75-x-1) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-07-19*