Waterdrop - G3P600 Tankless Reverse Osmosis System - White
About this product
A smart choice of over 2,000,000 American families. The Waterdrop G3 series RO system has been a star product among Waterdrop products, which has become a first choice of 2,000,000 American families and widely praised by users and social media thanks to its smart design.
Features
Trusted Certification
Waterdrop G3P600 RO system is certified against NSF/ANSI 58 for TDS reduction and NSF/ANSI 372 certified for lead-free material. The tankless reverse osmosis system is also certified by the Federal Communications Commission. Meets EU Standards and UKCA Standards for safety.
Fast Water Flow, 600 Gallons Per Day
An upgraded RO system, the G3P600 tankless RO system produces 600 gallons of filtered water per day (600 GPD). With a fast and stable water flow rate, this RO system fills an 8oz cup with water in 8 seconds. Ideal for drinking, washing fruits/veggies, and more.
2:1 Pure To Drain Ratio
G3P600 tankless reverse osmosis system can produce two cups of purified water while producing only one cup of wastewater. This helps you save money on your water bills and waste less.
8-Stage Filtration
Tested by an official third-party laboratory (SGS), the tankless reverse osmosis system can effectively reduce TDS, chromium, PFAS, fluoride, arsenic salt, iron, radium nitrate, calcium, particles, chloride, chlorine, and heavy metals like hexavalent chromium in your tap water.
And our RO system can reduce toxic chemicals such as vinyl chloride, Ethylhexyl acrylate, isobutylene, ethylene glycol, and mono butyl ether, according to the reverse osmosis membrane technical manual.
Smart Display Faucet
The reverse osmosis system is built with a smart display faucet. The TDS monitor tells you the quality of your filtered water, and the filter life tracker shows how soon you need to replace your filter. You can enjoy an improved water-using experience and a convenient lifestyle.
Specifications
- BrandWaterdropModel NumberB-BBY-WD-G3P600-WProduct NameG3P600 Tankless Reverse Osmosis SystemColorWhiteProduct Height18.11 inchesProduct Width5.67 inches
Reviews
Rating 4.9 out of 5 stars with 11 reviews
Top Mentions
- Water Quality (9)
- Maintenance (4)
Customer Images
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
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A smart choice of over 2,000,000 American families. The Waterdrop G3 series RO system has been a star product among Waterdrop products, which has become a first choice of 2,000,000 American families and widely praised by users and social media thanks to its smart design.

The Waterdrop G3P600 is a tankless under sink reverse osmosis system with 8-stage filtration, certified by NSF/ANSI 42, 58, and 372, as well as FCC, EU, and UKCA standards. Tested by SGS, it effectively reduces TDS, PFAS, fluoride, heavy metals, salts, and other contaminants, delivering up to 600 GPD with a 2:1 pure-to-drain ratio. Its smart display faucet provides real-time TDS monitoring and filter life tracking, while the sleek tankless design saves 70% under sink space and allows quick 3-second filter changes without tools. This system requires under-sink electricity and offers fast, stable water flow ideal for daily drinking and cooking.

Experience reliable water right from your kitchen with this cutting-edge under-sink reverse osmosis system. With 0.41 gal/min pure water flow rate, the filtration system fills you cup in just seconds while maintaining a highly efficient 2:1 pure-to-drain ratio to reduce waste. It features advanced 8-stage filtration, including 2 PP fiberfill layers, 2 activated carbon layers, scale inhibitor membrane and RO membrane layer. The post-activated carbon layer with Alkaline filter media enhances mineral content for better taste. Moreover, the compact, tankless design saves 70% under-sink space and prevents secondary contamination. The smart faucet with TDS indicator allows you to verify filter performance at a glance. This reverse osmosis system with well-designed features will transform your tap water into crystal-clear, mineral-rich hydration.

The Waterdrop G3P600 is a tankless under sink reverse osmosis system with 8-stage filtration, certified by NSF/ANSI 42, 58, and 372, as well as FCC, EU, and UKCA standards. Tested by SGS, it effectively reduces TDS, PFAS, fluoride, heavy metals, salts, and other contaminants, delivering up to 600 GPD with a 2:1 pure-to-drain ratio. Its smart display faucet provides real-time TDS monitoring and filter life tracking, while the sleek tankless design saves 70% under sink space and allows quick 3-second filter changes without tools. This system requires under-sink electricity and offers fast, stable water flow ideal for daily drinking and cooking.
| Pros for Waterdrop - G3P600 Tankless Reverse Osmosis System - White | |||
|---|---|---|---|
| Water Quality, Maintenance | There were no pros for this product— | There were no pros for this product— | There were no pros for this product— |


















































