--- product_id: 626976765 title: "RO400 400 GPD Tankless Reverse Osmosis Water Filter System" brand: "ispring" price: "253206 Ft" currency: HUF in_stock: true category: "I Spring" url: https://www.desertcart.hu/products/626976765-ro400-400-gpd-tankless-reverse-osmosis-water-filter-system store_origin: HU region: Hungary --- # 400 GPD ultra-fast flow Filter life indicator alerts 2:1 pure to wastewater ratio RO400 400 GPD Tankless Reverse Osmosis Water Filter System **Brand:** ispring **Price:** 253206 Ft **Availability:** โœ… In Stock ## Summary > ๐Ÿ’ง Pure water, zero compromisesโ€”upgrade your hydration game today! ## Quick Answers - **What is this?** RO400 400 GPD Tankless Reverse Osmosis Water Filter System by ispring - **How much does it cost?** 253206 Ft with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hu](https://www.desertcart.hu/products/626976765-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 **Contaminant Crusher:** Removes 99% of 1,000+ harmful impurities including lead, fluoride, chlorine, and PFAS for pristine purity. - โ€ข **Eco-Smart Efficiency:** 2:1 pure to wastewater ratio saves up to 400% more water than traditional RO systemsโ€”hydrate sustainably. - โ€ข **Proactive Filter Alerts:** Built-in LED indicator flashes red when filters need replacementโ€”maintain peak performance effortlessly. - โ€ข **Lightning-Fast Hydration:** 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:** Sleek under-sink installation frees up 70% more spaceโ€”perfect for modern minimalist kitchens. ## Overview The iSpring RO400 is a tankless under-sink reverse osmosis water filtration system delivering up to 400 gallons per day with a highly efficient 2:1 pure to wastewater ratio. It removes up to 99% of over 1,000 contaminants including lead, fluoride, and PFAS, ensuring premium water quality. Featuring a space-saving design and a smart filter life indicator, it offers fast, eco-friendly, and hassle-free clean water for the modern home. ## Description iSpring RO400 400 GPD Tankless Reverse Osmosis Water Filter System | Fast Flow Under Sink RO System with Brushed Nickel Faucet, 2:1 Pure to Drain Ratio, TDS & PFAS Reduction, White : desertcart.co.uk: DIY & Tools ## 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 | 199,849 in DIY & Tools ( See Top 100 in DIY & Tools ) 139 in Under-Sink Filters | | Brand | iSpring | | Capacity | 400 gallons_per_day | | Container Type | Glass | | Country Of Origin | China | | Customer Reviews | 4.3 4.3 out of 5 stars (18) | | 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 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 | | Purification Method | Reverse Osmosis | | UPC | 810004175327 | | Unit Count | 1.0 count | ## Product Details - **Brand:** iSpring - **Capacity:** 400 gallons_per_day - **Included components:** Under Sink Water Filter, 3/8"&1/2" Adapter, Faucet, Mounting Bracket - **Installation type:** Under Sink - **Material:** Plastic - **Package information:** Glass - **Power source:** Corded Electric - **Product dimensions:** 38.5L x 13.5W x 39.3H centimetres - **Purification method:** Reverse Osmosis ## Images ![RO400 400 GPD Tankless Reverse Osmosis Water Filter System - Image 1](https://m.media-amazon.com/images/I/61EI6CTPWcL.jpg) ## Available Options This product comes in different **Model** options. ## 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.hu/products/626976765-ro400-400-gpd-tankless-reverse-osmosis-water-filter-system](https://www.desertcart.hu/products/626976765-ro400-400-gpd-tankless-reverse-osmosis-water-filter-system) --- *Product available on Desertcart Hungary* *Store origin: HU* *Last updated: 2026-08-24*