Waterdrop - G3P800 Reverse Osmosis System Extra WD-AP431-3 Scale inhibition filter - White
About this product
The Waterdrop G3P800 is a tankless under sink reverse osmosis system delivering 800 GPD fast flow with a 3:1 pure-to-drain ratio, certified by NSF/ANSI 42, 53, 58, and 372 for safety and performance. Featuring 10-stage filtration tested by SGS, it effectively reduces TDS, PFAS, fluoride, heavy metals, salts, and other contaminants while providing a cup of purified water in just 5 seconds. Its smart faucet displays TDS levels and water quality at a glance, with a long-lasting LED light that activates automatically with water flow. With a stylish, space-saving design, the G3P800 consistently produces clean, safe water for large families without the need for a storage tank.
NSF/ANSI standard 42 & 53 & 58 & 372 certified
This tankless reverse osmosis system is certified by IAPMO R&T against NSF/ANSI 58 for reduction of TDS. Also it has been tested and certified against NSF 42 & 53 to reduce chlorine, bad taste, odor and so on. Besides, the system is certified by NSF/ANSI 372 for lead-free materials.
800 GPD high capacity, 3:1 pure to drain ratio
The Waterdrop G3P800 reverse osmosis system offers a higher water capacity (800 gallons per day), thereby meeting demands of a big family for pure water. Furthermore, by high water flow, it filters one cup of water in just 5s. By an advanced water dispensing technology, this tankless RO water filter system produces just a cup of wastewater for every three cups of filtered water produced.
10-Stage filtration
Tested by official third-party laboratory (SGS), through 10-stage filtration, G3P800 can effectively reduce PFAS, fluoride, heavy metals like lead, chromium, iron, salts like nitrate and chloride as well as large particles and radioactive substances such as radium. Our RO system can reduce such as vinyl chloride, ethylhexyl acrylate, isobutylene, monobutyl ether, according to the reverse osmosis membrane technical manual.
Smart faucet
G3P800 is equipped with a smart faucet, by which you can get the TDS level and water quality at a glance. The lifespan of LED lamp is up to 50 years. The LED can be automatically turned on when water flows by.
Stylish look, tankless design
The RO system G3P800 has a stylish look. The tankless design saves under sink space and ensures the safety of water. The system can consistently produce water and ensures purity in every drop. You can get purified water anytime without waiting.
- BrandWaterdropModel NumberWD-G3P8-431-3Product NameWaterdrop G3P800 Reverse Osmosis System Extra WD-AP431-3 Scale inhibition filterColorWhiteProduct Height18.12 inchesProduct Width5.67 inches
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The Waterdrop G3P800 is a tankless under sink reverse osmosis system delivering 800 GPD fast flow with a 3:1 pure-to-drain ratio, certified by NSF/ANSI 42, 53, 58, and 372 for safety and performance. Featuring 10-stage filtration tested by SGS, it effectively reduces TDS, PFAS, fluoride, heavy metals, salts, and other contaminants while providing a cup of purified water in just 5 seconds. Its smart faucet displays TDS levels and water quality at a glance, with a long-lasting LED light that activates automatically with water flow. With a stylish, space-saving design, the G3P800 consistently produces clean, safe water for large families without the need for a storage tank.

The Waterdrop X12-Alkaline Mineral pH+ is a tankless under sink reverse osmosis system delivering 1200 GPD fast flow with a 3:1 pure-to-drain ratio, certified by NSF/ANSI 42, 58, and 372 and tested by SGS to reduce harmful substances. Featuring 11-stage filtration with a 0.0001μm RO membrane, it effectively removes TDS, PFAS, chlorine, fluoride, arsenic, lead, and more while infusing healthy alkaline minerals such as calcium and magnesium to balance pH to about 7.5. Its smart digital faucet provides TDS readings, filter life status, and quantitative water output, while the sleek tankless design saves space and allows easy DIY installation. With eco-efficient technology and long-lasting 24-month RO filters, the X12 ensures pure, great-tasting water for families with reduced waste and enhanced health benefits.

The Waterdrop G3P800 is a tankless under sink reverse osmosis system delivering 800 GPD fast flow with a 3:1 pure-to-drain ratio, certified by NSF/ANSI 42, 53, 58, and 372 for safety and performance. Featuring 10-stage filtration tested by SGS, it effectively reduces TDS, PFAS, fluoride, heavy metals, salts, and other contaminants while providing a cup of purified water in just 5 seconds. Its smart faucet displays TDS levels and water quality at a glance, with a long-lasting LED light that activates automatically with water flow. With a stylish, space-saving design, the G3P800 consistently produces clean, safe water for large families without the need for a storage tank.

The Hydrofast C100 Countertop RO Water Purifier provides instant chilled 50°F (10°C) water with a 6-stage filtration system, including UV sterilization, that removes 99.9% of contaminants. The side-mounted 1.06-gallon tank is easy to refill, and the system requires no installation—just plug in and use. With a 3:1 pure-to-waste ratio, the C100 produces up to 528 gallons of purified water annually. BPA-free and low maintenance, it offers clean, safe water with a simple filter replacement.
| Pros for Waterdrop - G3P800 Reverse Osmosis System Extra WD-AP431-3 Scale inhibition filter - White | |||
|---|---|---|---|
| There were no pros for this product— | There were no pros for this product— | There were no pros for this product— | Ease of Use, Water Quality |
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