--- product_id: 14287676 title: "ALK System" brand: "express water" price: "4267750Fr" currency: CDF in_stock: true category: "Express Water" url: https://congo.desertcart.com/products/14287676-alk-system store_origin: CD region: Congo --- # 50 GPD ultra-pure flow 10-stage advanced filtration Easy DIY under-sink install ALK System **Brand:** express water **Price:** 4267750Fr **Availability:** ✅ In Stock ## Summary > 💧 Elevate your hydration game with pure, mineral-rich water on demand! ## Quick Answers - **What is this?** ALK System by express water - **How much does it cost?** 4267750Fr with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [congo.desertcart.com](https://congo.desertcart.com/products/14287676-alk-system) ## Best For - express water enthusiasts ## Why This Product - Trusted express water brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Mineral Boost:** Alkaline filter enriches water with essential minerals like calcium & magnesium for balanced wellness. - • **Pure Powerhouse:** Removes 99.99% of 100+ contaminants including lead, fluoride & PFAs for crystal-clear hydration. - • **Plug & Play Setup:** Quick Connect tubing and intuitive design mean zero plumber fees and fast installation. - • **Space-Smart Design:** Compact 17x15x5 inch system with versatile tank placement fits seamlessly under any sink. - • **Certified Confidence:** NSF Standard 58 certified for trusted quality and backed by a 1-year warranty. ## Overview The Express Water ROALK5D is a 10-stage under-sink reverse osmosis system delivering up to 50 gallons per day of alkaline mineral water. It removes 99.99% of over 100 contaminants including heavy metals and chemicals, while adding beneficial minerals for taste and health. Designed for easy DIY installation with Quick Connect tubing, it fits compactly under sinks and includes a 4-gallon storage tank. NSF certified and backed by a 1-year warranty, it’s the ultimate upgrade for clean, great-tasting water at home or office. ## Description Make the purest alkaline mineral water with your own home alkaline water system. Great in the kitchen: Improve the taste of your cooking, coffee, ice, and drinks. Experience true Reverse Osmosis purification. Safe filtered fresh tasting H2O: Removes up to 99.99% of contaminants including Lead, Chlorine, Fluoride, Cyanide, Giardia, Radium, Asbestos, Calcite, Heavy Metal, Bacteria, Viruses, Pharmaceuticals, and over 100 other contaminants. Get setup fast with our Quick Connect tubing system. Long lasting filters of the highest capacity standards mean you only need to change your filters every six months. Includes fast flow faucet with 0.8 GPM delivery. A compact system made to fit under a sink in a cabinet. Best for house, apartment, residential, well water, industrial, rv, machine, and office uses. Certified by an independent laboratory to NSF standard 58.Comes with 4 gallon (3.2 gallon water capacity) storage tank and tank stand. Your tank can sit upright or on it’s side to make sure it fits under most kitchen cabinets. Includes all filters needed for setup and first 6 months of use. Can be wall / cabinet mounted or freestanding, made for indoor use. Can be installed undersink, in a basement, or other remote locations, you may need additional tubing or a delivery pump depending on how far away you plan to install or if you plan to link to a refrigerator as well. For every one gallon of water produced the system discharges between one and three gallons (depending on the pressure and quality of your incoming water). The system is compatible with 3/8" and 1/2" under sink connections. Includes filter housing wrench. Operates on 40-80 PSI water pressure, you may need a Booster Pump or Pressure Regulator depending on your water pressure. The water is cleaner and more convenient than any pitcher, faucet filter, or counter top systems. Express Water’s 10 Stage Reverse Osmosis Water Alkaline Filtration System ROALK5D is the complete solution for your drinking water. ## Features - Reverse Osmosis Water Filter: Experience what water should taste like with the Express Water reverse osmosis water filtration system filtering up to 99. 99% of Lead, Chlorine, Fluoride, PFAs/PFOs, Calcium, Arsenic, and more - Alkaline Water Filter: Express Water’s Alkaline Water Filter with Active Mineral Technology adds Calcium, Potassium, Magnesium, and other minerals to your water - Under Sink Water Filter: Don’t waste money on professional installation. Express Water’s quick and easy-to-understand design means you can install and understand everything about your new water filtration system - Quality : Rest easy with our 1-year on all Express Water Reverse Osmosis Water Systems. System dimensions: 17x15x5 inches, Tank dimensions: 15x12x12 inches - Under Sink Water Filter System: No need to mess with refilling or activating your water filter, Express Water’s water filtration systems automatically fill your water tank with high quality drinking water ## Images ![ALK System - Image 1](https://m.media-amazon.com/images/I/81H0jbAc8GL.jpg) ## Available Options This product comes in different **Color, Style** options. --- ## 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://congo.desertcart.com/products/14287676-alk-system](https://congo.desertcart.com/products/14287676-alk-system) --- *Product available on Desertcart Congo* *Store origin: CD* *Last updated: 2026-09-01*