Waterdrop G3P800 Tankless RO vs Home Master TMA — Which Should You Buy?
Side-by-side comparison of Waterdrop G3P800 Tankless RO and Home Master TMA. We compare specs, performance, and value to help you decide.
Feature Comparison
| Feature | Waterdrop G3P800 Tankless RO | Home Master TMA |
|---|---|---|
| Type | Tankless RO | RO with pump |
| Contaminant Removal | 99.99% | — |
| Capacity | 800 GPD | 75 GPD |
| Waste Ratio | 3:1 | 1:1 or better |
| UV | Yes | — |
| Remineralization | Yes | — |
| Installation | Under sink | — |
| Faucet | Smart display | — |
| Warranty | 1 year | 1 year |
| Removes | — | 99% including fluoride |
| Pump | — | Permeate pump |
| Stages | — | 3 |
| Tank | — | 3.2 gallon |
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
Home Master TMA
Pros
- ✓Permeate pump
- ✓1:1 waste ratio
- ✓99% removal
- ✓Removes fluoride
- ✓3-stage simplicity
- ✓Artesian full contact
- ✓Less water waste
Cons
- ✗Requires power
- ✗Higher price
- ✗More complex
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 NowHome Master TMA
The best under-sink RO for eco-conscious buyers—minimal water waste with permeate pump.
Limited Offer — Check Today's PriceOur Methodology
We test each under-sink filter for contaminant reduction, installation ease, and long-term cost. No manufacturer has editorial influence.
Related Comparisons
Best Under-Sink Water Filters 2026
Our ranked list of the best under sink water filters for 2026. Tested and reviewed independently.
OverviewCompare Under-Sink Water Filters
Compare under sink water filters side by side. Filter by specs, price, and features.
CompareCompare PureTap Products — Pick Two to Compare
Choose any two products to see a detailed side-by-side comparison. Compare specs, features, and value.
Head to HeadWaterdrop G3P800 vs Aquasana AQ-5200
Detailed comparison of waterdrop g3p800 vs aquasana aq5200. Which one should you buy?
Head to HeadWaterdrop G3P800 Tankless RO vs iSpring RCC7AK 6-Stage RO — Which Should You Buy?
Side-by-side comparison of Waterdrop G3P800 Tankless RO and iSpring RCC7AK 6-Stage RO. We compare specs, performance, and value to help you decide.
Head to HeadWaterdrop G3P800 Tankless RO vs APEC ROES-50 — Which Should You Buy?
Side-by-side comparison of Waterdrop G3P800 Tankless RO and APEC ROES-50. We compare specs, performance, and value to help you decide.
Head to HeadWaterdrop 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.

