CheckPFAS
Waterdrop G3P800 under-sink reverse osmosis system
Reverse Osmosis ★★★★½ 4.8 / 5

Waterdrop G3P800 RO System

$759
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PFAS Removal
99.9%
Price
$759
Our Rating
4.8/5

Certifications

NSF 58 NSF 372

Our Take

Our top pick for PFAS removal. The Waterdrop G3P800 uses a multi-stage RO membrane to remove over 99.9% of PFAS compounds including PFOA, PFOS, and GenX. The tankless design saves under-sink space and delivers 800 gallons per day — enough for a family of six.

+ Pros

  • Tankless design saves space
  • 800 GPD high flow rate
  • Smart faucet with TDS monitor

Cons

  • Higher upfront cost
  • Requires annual filter changes (~$60)

Best For

Homes with HIGH PFAS levels — removes 99%+ of all PFAS compounds

Filter Technology

Reverse Osmosis

Recommended For Risk Levels

HIGH MODERATE

Waterdrop G3P800 RO System

99.9% PFAS removal · $759 · NSF 58, NSF 372

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Price as of March 2026 — click to see current price. Affiliate link; we may earn a commission at no cost to you.

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