--- product_id: 683779089 title: "Stokk Reverse Osmosis System, 400 GPD Fast Flow Tankless RO Reverse Osmosis Water Filter System, Under Sink Water Filtration System, 2:1 Pure to Drain, Reduces TDS" brand: "stokk" price: "€ 146.43" currency: EUR in_stock: true url: https://www.desertcart.pt/products/683779089-stokk-reverse-osmosis-system-400-gpd-fast-flow-tankless-ro store_origin: PT region: Portugal --- # 400 GPD ultra-fast flow 2:1 pure-to-drain efficiency 7-stage advanced filtration Stokk Reverse Osmosis System, 400 GPD Fast Flow Tankless RO Reverse Osmosis Water Filter System, Under Sink Water Filtration System, 2:1 Pure to Drain, Reduces TDS **Brand:** stokk **Price:** € 146.43 **Availability:** ✅ In Stock ## Summary > 💧 Pure water, zero compromises—refresh your lifestyle instantly! ## Quick Answers - **What is this?** Stokk Reverse Osmosis System, 400 GPD Fast Flow Tankless RO Reverse Osmosis Water Filter System, Under Sink Water Filtration System, 2:1 Pure to Drain, Reduces TDS by stokk - **How much does it cost?** € 146.43 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/683779089-stokk-reverse-osmosis-system-400-gpd-fast-flow-tankless-ro) ## Best For - stokk enthusiasts ## Why This Product - Trusted stokk brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **7-Stage Purity Power:** Cutting-edge filtration removes heavy metals, PFAS, and odors for crystal-clear taste. - • **Eco-Smart & Low Waste:** Industry-leading 2:1 water efficiency reduces waste and your environmental footprint. - • **Lightning-Fast Hydration:** Get pure water in just 10 seconds—never wait to refresh your day. - • **Maintenance Made Effortless:** Auto rinse and filter alerts keep your system performing flawlessly without the hassle. - • **Space-Saving Tankless Design:** Reclaim 75% under-sink space with sleek, tankless installation—modern minimalism meets function. ## Overview The Stokk Reverse Osmosis System delivers ultra-fast 400 gallons per day of purified water through an advanced 7-stage filtration process, including a 0.0001-micron RO membrane that reduces TDS, PFAS, and contaminants. Its tankless design saves 75% under-sink space while maintaining a highly efficient 2:1 pure-to-drain ratio. Certified eco-friendly and equipped with auto rinse and filter alerts, it offers hassle-free maintenance and superior water quality for health-conscious professionals. ## Description undersink tankless RO system ## Features - Advanced 7-Stage Filtration - Experience unparalleled water purification with our cutting-edge 7-stage composite filtration system, effectively removing most contaminants, heavy metals and unpleasant odors for crystal-clear, pure drinking water. The PPC filter can reduce sediment, chlorine, odors, etc. The RO filter uses 0.0001-micron reverse osmosis membrane which can effectively reduce TDS, PFAS, and so on - High Flow, Low Waste - Stokk RO Purifier delivers an impressive water flow of up to 400 GPD daily, maintaining an outstanding 2:1 low drainage ratio. Get a cup of filtered water in just about 10 seconds, meeting your needs while saving time. Compared to traditional RO systems, Stokk reverse osmosis water filter ensures ample water supply with minimal waste - Effortless Installation with Tankless Design - Compact and user-friendly, Stokk RO water filtration is designed for easy installation without the need for a water tank, saving 75% of your under-sink space and prevents recontamination. - Hassle-Free Maintenance with Auto Rinse and Filter Alert - Our RO Water Purifier features automatic rinse and timely filter replacement alerts, ensuring optimal performance without the need for constant manual upkeep. Effortless maintenance for peace of mind - Safety & Eco-Friendly- Stokk RO Water Purifier is crafted from environmentally friendly materials, certified by FCC/EPA, and rigorously tested to meet NSF/ANSI 37 standards. Trust in a purifier that prioritizes both your health ## Technical Specifications | Specification | Value | |---------------|-------| | Brand | Stokk | | Manufacturer | JIN FANG TECHNOLOGY (HONG KONG) LIMITED | | Model number | S1 | | Colour | White | | Number of Memory Sticks | 1 | | Item Weight | 7 kg 600 g | | Product Dimensions | 37.01 x 11.4 x 30.35 cm; 7.6 kg | | Item model number | S1 | | Item Height | 11.95 Inches | | Item Width | 4.49 Inches | | Are batteries included? | No | ## Product Details - **Brand:** Stokk - **Product Dimensions:** 37L x 11.4W x 30.4H Centimeters - **Model Name:** S1 - **Manufacturer:** JIN FANG TECHNOLOGY (HONG KONG) LIMITED ## Images ![Stokk Reverse Osmosis System, 400 GPD Fast Flow Tankless RO Reverse Osmosis Water Filter System, Under Sink Water Filtration System, 2:1 Pure to Drain, Reduces TDS - Image 1](https://m.media-amazon.com/images/I/61QhPrDDhrL.jpg) ![Stokk Reverse Osmosis System, 400 GPD Fast Flow Tankless RO Reverse Osmosis Water Filter System, Under Sink Water Filtration System, 2:1 Pure to Drain, Reduces TDS - Image 2](https://m.media-amazon.com/images/I/61767EeyhQL.jpg) ![Stokk Reverse Osmosis System, 400 GPD Fast Flow Tankless RO Reverse Osmosis Water Filter System, Under Sink Water Filtration System, 2:1 Pure to Drain, Reduces TDS - Image 3](https://m.media-amazon.com/images/I/61psCfdpYqL.jpg) ![Stokk Reverse Osmosis System, 400 GPD Fast Flow Tankless RO Reverse Osmosis Water Filter System, Under Sink Water Filtration System, 2:1 Pure to Drain, Reduces TDS - Image 4](https://m.media-amazon.com/images/I/711sw7c-EML.jpg) ![Stokk Reverse Osmosis System, 400 GPD Fast Flow Tankless RO Reverse Osmosis Water Filter System, Under Sink Water Filtration System, 2:1 Pure to Drain, Reduces TDS - Image 5](https://m.media-amazon.com/images/I/718HTvKnZ6L.jpg) ## Frequently Bought Together - Stokk Reverse Osmosis System, 8 Stage Tankless Reverse Osmosis Water Filter, Reduces PFAS TDS, Under Sink RO System, 2:1 Pure to Drain, 400 GPD, NSF/ANSI 58& 42, FCC Listed, S1 - Stokk RS1-PPC Filter, Replacement for S1 Series Reverse Osmosis System, 6-12 month Lifetime - 2024 All-New 4 in 1 Tds Meter Digital Water Tester - Accurate and Reliable TDS EC & Temp(°C,°F) Meter - 0-9990ppm - Professional Testing for Drinking Water, RO/DI System, Aquariums etc --- ## 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.pt/products/683779089-stokk-reverse-osmosis-system-400-gpd-fast-flow-tankless-ro](https://www.desertcart.pt/products/683779089-stokk-reverse-osmosis-system-400-gpd-fast-flow-tankless-ro) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-06-09*