--- product_id: 626976765 title: "iSpring RO400 400 GPD Tankless Reverse Osmosis Water Filter System" brand: "ispring" price: "โ‚ฌ 692.98" currency: EUR in_stock: true reviews_count: 8 category: "I Spring" url: https://www.desertcart.gr/products/626976765-ispring-ro400-400-gpd-tankless-reverse-osmosis-water-filter-system store_origin: GR region: Greece --- # 400 GPD ultra-fast flow Smart filter life indicator 2:1 pure-to-wastewater ratio iSpring RO400 400 GPD Tankless Reverse Osmosis Water Filter System **Brand:** ispring **Price:** โ‚ฌ 692.98 **Availability:** โœ… In Stock ## Summary > ๐Ÿ’ง Pure water, zero compromisesโ€”drink smarter, live better. ## Quick Answers - **What is this?** iSpring RO400 400 GPD Tankless Reverse Osmosis Water Filter System by ispring - **How much does it cost?** โ‚ฌ 692.98 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/626976765-ispring-ro400-400-gpd-tankless-reverse-osmosis-water-filter-system) ## 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 - โ€ข **Eco-Smart Efficiency:** Uses a breakthrough 2:1 pure-to-wastewater ratio, making it up to 400% more water-efficient than traditional RO systemsโ€”save water, save the planet. - โ€ข **99%+ Contaminant Removal:** Advanced 4-in-1 PCT filtration eliminates over 1,000 harmful impurities including lead, fluoride, chlorine, and arsenicโ€”pure water, pure confidence. - โ€ข **Hydrate at Lightning Speed:** Delivers up to 400 gallons per day with a rapid 0.4 GPM flowโ€”never wait for clean water again. - โ€ข **Space-Savvy Tankless Design:** Compact under-sink installation frees up to 70% more spaceโ€”sleek, modern, and hassle-free setup for your busy lifestyle. - โ€ข **Intelligent Filter Monitoring:** Built-in LED indicator alerts you well before filter replacement is dueโ€”maintain peak performance effortlessly. ## Overview The iSpring RO400 is a cutting-edge tankless reverse osmosis water filtration system delivering up to 400 gallons of purified water daily with an ultra-efficient 2:1 pure-to-wastewater ratio. Its advanced 4-in-1 PCT filter removes over 99% of 1,000+ contaminants including lead and fluoride, while a smart filter life indicator ensures hassle-free maintenance. Designed for easy under-sink installation, its compact footprint saves up to 70% space, making it the ideal choice for eco-conscious professionals seeking fast, clean hydration. ## Description Product Description iSpring Reverse Osmosis Water Filter System RO400UK RCC7AK RCC1UP-AK RCS5T Filter for RO400 (FPCT) Filter for RO400 (RO) Review: Great product. - Easy to install, great quality water. Review: Very good water filter , great service - I would like to highly recommend this water filter system , very easy installation , very efficient and fast customer service ( Francis always to support and help ) very fast response to messages ## Features - ๐Ÿ’๐ŸŽ๐ŸŽ ๐†๐๐ƒ & ๐Ÿ:๐Ÿ ๐๐ฎ๐ซ๐ž ๐–๐š๐ฌ๐ญ๐ž๐ฐ๐š๐ญ๐ž๐ซ ๐‘๐š๐ญ๐ข๐จ: The iSpring Under Sink Reverse Osmosis Water Filter System RO400 has a 2:1 pure wastewater ratio, which is up to 400% more water efficient than traditional under sink RO systems. Tankless reverse osmosis systems flow up to 0.4 GPM with minimal waste, and RO water filtration systems take less than 8.5 seconds to fill a glass of water - ๐‡๐ข๐ ๐ก๐ž๐ฌ๐ญ ๐ˆ๐ฆ๐ฉ๐ฎ๐ซ๐ข๐ญ๐ฒ ๐‘๐ž๐ฆ๐จ๐ฏ๐š๐ฅ ๐‘๐š๐ญ๐ž: The under-sink RO water filter system converts tap water into clean RO drinking water. The 4-in-1 PCT filter removes up to 99% of more than 1,000 harmful contaminants such as chlorine, fluoride, lead (up to 98%), arsenic, asbestos, calcium, sodium, sediment, sand, odours, etc. The TDS removal rate is up to 99% - ๐๐ฎ๐ข๐ฅ๐ญ-๐ข๐ง ๐…๐ข๐ฅ๐ญ๐ž๐ซ ๐‹๐ข๐Ÿ๐ž ๐ˆ๐ง๐๐ข๐œ๐š๐ญ๐จ๐ซ: The Filter Life Indicator stays blue and starts flashing red when less than 5% of the corresponding filter life is left, and changes to red when the filter needs to be replaced. It is recommended that filters be replaced on a scheduled basis to maintain high performance filtration. You can find replacement filters by searching for FPCT400 and MRO400EU. - ๐„๐š๐ฌ๐ฒ ๐ญ๐จ ๐ˆ๐ง๐ฌ๐ญ๐š๐ฅ๐ฅ ๐š๐ง๐ ๐Œ๐š๐ข๐ง๐ญ๐š๐ข๐ง: All-in-one water line technology makes the reverse osmosis water filtration system easy to install on your own. It can be installed under a sink and the tankless design saves up to 70% of space. - ๐‚๐ฅ๐ž๐š๐ง ๐Œ๐จ๐๐ž: Press Press the "Flush" button it will flush the reverse osmosis membrane for 30 seconds to extend its life. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0D35FH65Q | | Best Sellers Rank | 131,556 in DIY & Tools ( See Top 100 in DIY & Tools ) 92 in Under-Sink Filters | | Brand | iSpring | | Capacity | 400 gallons_per_day | | Container Type | Glass | | Country Of Origin | China | | Customer Reviews | 4.3 out of 5 stars 18 Reviews | | Included Components | Under Sink Water Filter, 3/8"&1/2" Adapter, Faucet, Mounting Bracket | | Included components | Under Sink Water Filter, 3/8"&1/2" Adapter, Faucet, Mounting Bracket | | Installation Type | Under Sink | | Item Dimensions L x W x H | 38.5L x 13.5W x 39.3H centimetres | | Manufacturer | iSpring Water Systems | | Manufacturer Part Number | RO400EU | | Material | Plastic | | Material Type | Plastic | | Maximum Flow Rate | 0.4 Gallons Per Minute | | Model Name | FPCT400 | | Model Number | RO400 | | Number of Items | 1 | | Other Special Features of the Product | Removes up to 99% of more than 1,000 harmful contaminants such as chlorine, fluoride, lead (up to 98%), arsenic, asbestos, calcium, sodium, sediment, sand, odours, etc. | | Power Source | Corded Electric | | Product dimensions | 38.5L x 13.5W x 39.3H centimetres | | Purification Method | Reverse Osmosis | | Special feature | Removes up to 99% of more than 1,000 harmful contaminants such as chlorine, fluoride, lead (up to 98%), arsenic, asbestos, calcium, sodium, sediment, sand, odours, etc. Special feature Removes up to 99% of more than 1,000 harmful contaminants such as chlorine, fluoride, lead (up to 98%), arsenic, asbestos, calcium, sodium, sediment, sand, odours, etc. See more | | UPC | 810004175327 | | Unit Count | 1.0 count | ## Product Details - **Brand:** iSpring - **Capacity:** 400 G/day - **Included components:** reverse osmosis system - **Installation type:** Under Sink - **Material:** Glass - **Package information:** Glass - **Power source:** Corded Electric - **Product dimensions:** 15L x 20W x 64H centimetres - **Purification method:** Reverse Osmosis, Sand - **Special feature:** Tankless ## Images ![iSpring RO400 400 GPD Tankless Reverse Osmosis Water Filter System - Image 1](https://m.media-amazon.com/images/I/61EI6CTPWcL.jpg) ![iSpring RO400 400 GPD Tankless Reverse Osmosis Water Filter System - Image 2](https://m.media-amazon.com/images/I/71MoJrd2J1L.jpg) ![iSpring RO400 400 GPD Tankless Reverse Osmosis Water Filter System - Image 3](https://m.media-amazon.com/images/I/81yuoyH2sFL.jpg) ![iSpring RO400 400 GPD Tankless Reverse Osmosis Water Filter System - Image 4](https://m.media-amazon.com/images/I/71EzSUSjpDL.jpg) ![iSpring RO400 400 GPD Tankless Reverse Osmosis Water Filter System - Image 5](https://m.media-amazon.com/images/I/71x8gxhYePL.jpg) ## Available Options This product comes in different **Model** options. ## Customer Reviews ### โญโญโญโญโญ Great product. *by K***R on 2 August 2025* Easy to install, great quality water. ### โญโญโญโญโญ Very good water filter , great service *by J***K on 9 February 2025* I would like to highly recommend this water filter system , very easy installation , very efficient and fast customer service ( Francis always to support and help ) very fast response to messages ### โญโญโญโญโญ Item is perfect *by D***. on 26 February 2025* Item is 100% Arrived early, good instructions for self install. Only uses 85watts when in use. Highly recomend this product. ## Frequently Bought Together - iSpring RO400 Reverse Osmosis System, Tankless Water Filtration System, 400 GPD Fast Flow Under Sink RO System with Brushed Nickel Faucet, 2.5:1 Pure to Drain Ratio, TDS Reduction, White - iSpring FA15 10-inch Inline Quick Connect 3-Layer Alkaline Replacement Water Filter Cartridge with Mineral Balls, Calcite, and Corosex for Reverse Osmosis RO System, White --- ## Why Shop on Desertcart? - ๐Ÿ›’ **Trusted by 1.3+ Million Shoppers** โ€” Serving international shoppers since 2016 - ๐ŸŒ **Shop Globally** โ€” Access 737+ million products across 21 categories - ๐Ÿ’ฐ **No Hidden Fees** โ€” All customs, duties, and taxes included in the price - ๐Ÿ”„ **15-Day Free Returns** โ€” Hassle-free returns (30 days for PRO members) - ๐Ÿ”’ **Secure Payments** โ€” Trusted payment options with buyer protection - โญ **TrustPilot Rated 4.5/5** โ€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.gr/products/626976765-ispring-ro400-400-gpd-tankless-reverse-osmosis-water-filter-system](https://www.desertcart.gr/products/626976765-ispring-ro400-400-gpd-tankless-reverse-osmosis-water-filter-system) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-08-14*