Waterdrop G3P800 reverse Osmosis System, 800 GPD Fast Flow, NSF/ANSI 42 & 53 & 58 & 372 Certified, 3:1 Pure to Drain, Tankless Under Sink RO Water filter System, LED Purifier, Smart Faucet

this advanced water filtration system brings purity and efficiency to your home, meeting the comprehensive needs of large families. Certified by the prestigious NSF/ANSI standards 42, 53, 58, and 372, it guarantees the reduction of TDS, chlorine, bad taste, odor, and harmful lead.With a high capacity of 800 gallons per day, the system delivers filtered water in milliseconds, ensuring you always have clean and fresh water on demand.A distinctive feature is its tankless design, which conserves valuable under-sink space while eliminating the risk of stored water contamination.
Equipped with 10 stages of rigorous filtration tested by SGS, this system removes a wide range of contaminants, including PFAS, fluoride, heavy metals, salts, large particles, and radioactive substances. The inclusion of a smart faucet provides real-time TDS and water quality readings, enhancing user convenience with a reliable, long-lasting LED display. The stylish and compact design not only blends seamlessly into any kitchen but also ensures a continuous supply of high-purity water without the need for excessively long wait times.
Key Benefits
- NFDA Certified: Ensures safety and compliance with rigorous standards.
- 800 GPD Capacity: Perfect for large households, delivering purified water swiftly.
- 3:1 Pure to Drain Ratio: Maximizes efficiency and minimizes waste.
- 10-Stage Filtration: Removes a broad spectrum of contaminants for exceptional water quality.
- Smart Faucet: Offers instant water quality readings with an auto-activating LED display.
- Tankless Design: Saves space and eliminates the risk of stagnation in stored water.
Considerations
- Installation: Requires drilling two holes for the faucet and drain connection.
- Flow Rate: While fast, very high-demand usage might occasionally slow output slightly.
| Filtration Standards | NSF/ANSI 42, 53, 58, 372 |
|---|---|
| Flow Rate | 800 GPD |
| Filtration Stages | 10 |
| Water Waste Ratio | 3:1 Pure to Drain |
| Smart Faucet | TDS & quality display, 50-year LED |
Waterdrop G3P600 reverse Osmosis System, 8 Stage Tankless Reverse Osmosis Water Filter, NSF/ANSI 42 & 58 & 372 certified, Under Sink RO System, 2:1 Pure to Drain, Smart LED Faucet

Experience the purest water with our advanced 8-stage filtration system, meticulously crafted to refine your tap water into its most pristine form. Trusted by a leading third-party laboratory (SGS), this system effectively removes a comprehensive list of impurities including TDS, chromium, PFAS, fluoride, arsenic, chlorine, and radioactive substances. With a smart display faucet, monitoring water quality and filter life is effortless, ensuring you always enjoy the highest standard of hydration. The system’s high capacity produces 600 gallons of filtered water daily, all while maintaining a remarkably low 2:1 drain ratio—just one cup of waste for every two cups of pure water, making it both efficient and environmentally conscious. Its tankless design not only saves precious under-sink space by 70% but also allows for quick filter changes in just 3 seconds without tools.
Designed for modern living, this sleek and space-saving unit brings premium water filtration directly to your kitchen. The fast, stable flow rate ensures quick fills for drinking or cooking, while the NSF/ANSI certified performance guarantees peace of mind. Whether you’re sipping a fresh glass of water or washing produce, the intuitive TDS monitor and filter life tracker keep you informed every step of the way. Plus, with certifications from NSF, UKCA, and FCC, you can be confident in its safety and reliability. Ideal for those seeking a seamless blend of technology and sustainability, this system redefines what home water filtration should be.
Pros and Cons
Pros:
- 8-stage filtration removes up to 99% of impurities
- Smart display faucet with TDS monitor and filter life tracker
- 600 gallons daily capacity with a 2:1 low drain ratio
- Space-saving tankless design (saves 70% under-sink space)
- Quick 3-second filter replacement without tools
- NSF/ANSI and FCC certified for safety
Cons:
- requires under-sink electricity
- Need to measure cabinet dimensions for compatibility
- Higher upfront cost compared to basic filters
| Capacity | 600 gallons/day |
|---|---|
| Drain Ratio | 2:1 |
| Flow Rate | Fast, stable (fills 8 oz in 8 sec) |
| Accuracy | TDS monitor: ±1, Filter life: +/- 5% |
| Certifications | NSF/ANSI 58, 372, 42; FCC; EU/UKCA |
Waterdrop G3P800 Reverse Osmosis System, 800 GPD Fast Flow, NSF/ANSI 42 & 53 & 58 & 372 Certified, 3:1 Pure to Drain, Tankless Under Sink RO water Filter System, LED Purifier, Smart Faucet

This advanced water filtration system delivers pure, high-quality water with notable efficiency, making it an ideal choice for large families. Certified to meet the strictest safety standards, including NSF/ANSI 42, 53, 58, and 372, it ensures the reduction of common contaminants like chlorine, lead, and TDS while maintaining a pH balance. The 800 GPD high capacity means you’ll never run short on purified water, with a fast filtration speed that produces a fresh glass in just 5 seconds. A standout feature is the innovative 3:1 pure to drain ratio, considerably cutting down on wastewater—just one cup for every three cups of clean water.
The 10-stage filtration process, rigorously tested by SGS, goes beyond basic purification, targeting stubborn pollutants such as PFAS, fluoride, and radioactive substances.The smart faucet provides real-time TDS readings, making water quality monitoring effortless, and the LED display boasts an remarkable 50-year lifespan. Its tankless design not only saves precious under-sink space but also guarantees uninterrupted purity with no need to wait for storage tanks to refill. This system combines cutting-edge technology with a sleek, modern aesthetic, ensuring a seamless blend of performance and style in your home.
Pros & Cons
Cons: Requires two drilling holes for installation; advanced filtration may reduce some minerals; initial cost might potentially be higher than basic models.
| capacity | 800 GPD |
|---|---|
| filtration Stages | 10-stage |
| Fast Flow Rate | 5 seconds per cup |
| Wastewater Ratio | 3:1 Pure to Drain |
| Certifications | NSF/ANSI 42, 53, 58, 372 |


