Waterdrop G3P800 vs AquaTru Classic
Two popular Reverse Osmosis Systems compared side by side. Best for various water quality situations.
Waterdrop G3P800
Reverse Osmosis System
$999
VS
AquaTru Classic
Countertop RO System
$450
Waterdrop G3P800 and AquaTru Classic are both Reverse Osmosis Systems. The Waterdrop G3P800 costs $549 more. The right choice depends on your water data, household size, and which features matter most to you. Check your city's water quality first to understand what you are treating.
Price Difference: $549
The Waterdrop G3P800 costs $549 more. The question is whether the differences justify the cost for your situation.
Full Spec Comparison
| Specification | Waterdrop G3P800 | AquaTru Classic |
|---|---|---|
| Filtration Stages | 7-stage + UV sterilizer | — |
| Technology | Reverse Osmosis + UV | — |
| Flow Rate (GPD) | 800 | — |
| TDS Removal | Up to 99.9% | 99% |
| Contaminants Removed | TDS, PFAS, lead, fluoride, chlorine, bacteria, viruses | — |
| Warranty | 1 year | — |
| Filter Life | 6–24 months (depending on stage) | — |
| Certifications | NSF/ANSI 42, 53, 58, 401 | NSF 42, 53, 58, 401, P473 |
| Dimensions | 17.72" x 5.67" x 17.72" (tankless) | — |
| Installation | Under-sink, DIY-friendly | None (countertop) |
| Water Source | City & Well | — |
| Waste Ratio | 3:1 (pure:drain) | 4:1 |
| Smart Features | TDS monitoring, filter life indicator | — |
| Stages | — | 4-stage reverse osmosis |
| PFAS Removal | — | NSF P473 certified |
| Lead Removal | — | NSF 53 certified |
| Capacity | — | 3-quart pitcher |
| Flow Rate | — | ~10 min per batch |
| Filter Replacement | — | 0/year |
Frequently Asked Questions
Is the Waterdrop G3P800 or AquaTru Classic better?
It depends on your situation. AquaTru Classic ($450) is the better value for most homes. Waterdrop G3P800 ($999) offers premium features that may justify the cost for larger households or those wanting maximum convenience.
Is the AquaTru Classic worth it at $450?
AquaTru Classic is one of the most popular Reverse Osmosis Systems on the market. At $450, it offers strong performance for the price. Renters who want RO filtration without installation.
What is the difference between a water softener and a water filter?
A water softener removes hardness minerals (calcium, magnesium) that cause scale. A filter removes contaminants (chlorine, PFAS, lead). They solve different problems. Many homes need both. See our detailed guide. Read our full guide →
Related Guides
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