Waterdrop G3P800 Tankless RO vs Brondell H2O+ Circle — Which Should You Buy?
Side-by-side comparison of Waterdrop G3P800 Tankless RO and Brondell H2O+ Circle. We compare specs, performance, and value to help you decide.
Feature Comparison
| Feature | Waterdrop G3P800 Tankless RO | Brondell H2O+ Circle |
|---|---|---|
| Type | Tankless RO | 3-stage carbon |
| Contaminant Removal | 99.99% | — |
| Capacity | 800 GPD | 1,320 gallons |
| Waste Ratio | 3:1 | — |
| UV | Yes | — |
| Remineralization | Yes | — |
| Installation | Under sink | Under sink |
| Faucet | Smart display | — |
| Warranty | 1 year | 1 year |
| Filter Life | — | 2 years |
| Removes | — | Chlorine, lead, cysts |
| Design | — | Compact circle |
| Flow Rate | — | 0.5 GPM |
Waterdrop G3P800 Tankless RO
Pros
- ✓99.99% contaminant removal
- ✓UV purification
- ✓800 GPD tankless
- ✓3:1 waste ratio
- ✓Remineralization filter
- ✓No tank needed
- ✓Smart faucet display
Cons
- ✗Premium price
- ✗Requires power
- ✗Complex installation
Brondell H2O+ Circle
Pros
- ✓2-year filter life
- ✓1,320 gallon capacity
- ✓Compact
- ✓3-stage
- ✓Removes lead, cysts
- ✓Easy filter change
- ✓Sleek design
Cons
- ✗Not RO
- ✗Lower flow
- ✗Premium price for non-RO
Our Verdict
Waterdrop G3P800 Tankless RO
The best overall under-sink filter—premium RO with UV and remineralization for the ultimate in drinking water quality.
20% Off — Limited Time, Check NowBrondell H2O+ Circle
The best under-sink filter for long filter life—2 years between replacements.
Price Drop Alert — View Deal NowOur Methodology
We test each under-sink filter for contaminant reduction, installation ease, and long-term cost. No manufacturer has editorial influence.
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