Under Sink Reverse Osmosis Water Purifier – Tankless Alkaline Filtration System
Under Sink Reverse Osmosis Water Purifier – Tankless Alkaline Filtration System is backordered and will ship as soon as it is back in stock.
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Experience pure, clean water with the OSWNKW 600GPD Tankless Reverse Osmosis Water Filtration System — engineered with advanced 7-stage RO purification, built-in remineralization, and a high-efficiency 1:2 drain ratio for smart, sustainable hydration.
Tankless High Flow Design: 600GPD output provides instant, high-pressure filtered water on demand.
7-Stage Deep Filtration: Removes 99.99% of contaminants including lead, fluoride, and chlorine.
Mineral-Rich Water: Built-in filter restores essential minerals for healthier, tastier drinking water.
Eco-Friendly Efficiency: Innovative 1:2 drain ratio saves water and cuts waste significantly.
Smart Filter Monitoring: LED indicators and quick-twist design ensure easy, timely replacements.
Delivery and Returns
We accept returns for damaged or unused items within 30 days of purchase. Your satisfaction is our priority.
Description
Experience cleaner, safer, and healthier water with this tankless 600 GPD reverse osmosis system. Offering a flow rate of 0.42–0.71 GPM, this system efficiently removes 99.99% of common contaminants, delivering mineralized alkaline water with balanced pH (~7.5) and added calcium and magnesium to enhance flavor and support hydration. The compact design fits neatly under most kitchen sinks, making it an ideal under sink reverse osmosis water purifier for homes with limited space.
The system features built-in leak detection with an auto-shutoff valve to protect your home, while easy-to-replace universal filters and a smart TDS LED monitor make maintenance simple and economical. The 2:1 clean-to-waste ratio ensures eco-friendly operation, reducing water waste without compromising purification performance. This under sink water purifier system is designed for quick, tool-free installation, allowing you to enjoy pure, refreshing water in no time.
Whether you're looking for a water purifier under kitchen sink or an efficient tankless water purifier, this system provides a practical, high-performance solution for cleaner drinking water, safer cooking, and healthier hydration. It’s an essential addition for anyone seeking the convenience and peace of mind of having pure water at home.
| Capacity | 600 GPD (approx. 0.42–0.71 gallons per minute) |
| System Type | Tankless Reverse Osmosis (Under-sink) |
| Filtration Stages | 4-stage: Sediment, Carbon Block, NSF-61 RO Membrane, Alkaline Mineralizer |
| Contaminant Removal | Up to 99.99% removal of heavy metals, bacteria, viruses and chemicals |
| Wastewater Ratio | 2:1 clean-to-waste (eco-friendly) |
| TDS Monitoring | Real-time LED TDS display with filter life alerts |
| Leak Protection | Built-in leak detection sensor with automatic shutoff |
| Operating Pressure | 58–116 PSI |
| Temperature Range | 41–113 °F |
| Power | 34 W (110–240V compatible) |
| pH After Treatment | Approx. pH 7.5 (alkaline, mineralized with calcium & magnesium) |
| Filter Lifespan (typical) | PP sediment: 6–12 months; Carbon block: 6–12 months; RO membrane: 24–36 months; Mineral filter: 6–12 months |
| Installation | Under-sink / wall / table mountable; includes faucet & fittings; estimated 15-minute DIY install |
