Waterdrop G3P800 Tankless RO vs Aquasana AQ-5300+ Max Flow — Which Should You Buy?
Side-by-side comparison of Waterdrop G3P800 Tankless RO and Aquasana AQ-5300+ Max Flow. We compare specs, performance, and value to help you decide.
Feature Comparison
| Feature | Waterdrop G3P800 Tankless RO | Aquasana AQ-5300+ Max Flow |
|---|---|---|
| Type | Tankless RO | Carbon + prefilter |
| Contaminant Removal | 99.99% | — |
| Capacity | 800 GPD | 800 gallons |
| Waste Ratio | 3:1 | — |
| UV | Yes | — |
| Remineralization | Yes | — |
| Installation | Under sink | — |
| Faucet | Smart display | — |
| Warranty | 1 year | 1 year |
| Flow Rate | — | 0.72 GPM |
| Prefilter | — | Sediment |
| Removes | — | Lead, PFOA, chlorine |
| Certification | — | NSF |
| Filter Life | — | 6 months |
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
Aquasana AQ-5300+ Max Flow
Pros
- ✓Higher capacity
- ✓Prefilter for sediment
- ✓Faster flow
- ✓Claryum technology
- ✓NSF certified
- ✓No electricity
- ✓Easy filter change
Cons
- ✗More expensive than 5200
- ✗Doesn't remove fluoride
- ✗Filter cost
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 NowAquasana AQ-5300+ Max Flow
The best under-sink filter for higher flow and sediment-heavy water.
Special Deal Available — See OfferOur 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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