Waterdrop G2P600 Tankless RO System 600 GPD
- 600 GPD tankless RO
- 7-stage filtration
- 2:1 pure to drain ratio
- NSF/ANSI 372 lead-free materials
- Fills a 200 ml cup in 8 seconds
- 30 minute DIY install, 3 second filter changes
- Max 500 ppm TDS input, up to 87 F
- Faucet and filters included, 17.3 x 5.9 x 14 inches
Last refreshed Sep 11, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A fast, compact tankless RO system for families who want quick-filling filtered water at the sink. Its listed certification covers lead-free materials only.
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ASIN: B08746M1NXModel: G2P600Category: Undersink & Countertop Water Filters
Overview
A busy family filling pitchers and pots gets a tankless reverse osmosis unit that sends water straight through the membrane at the faucet. Filters twist out in seconds without tools, and indicator lights warn before each one runs out.
High output without a storage tank frees cabinet space and avoids stale tank water. The only certification listed is for lead-free materials, and the unit needs an electrical outlet under the sink.
Who it's for
Families and small offices that drink and cook with a lot of filtered water. Homes without power in the sink cabinet would need an outlet added first.
Pros and cons
- Fast flow with no tank
- Compact under-sink footprint
- Tool-free filter changes
- Filter life indicators
- Certification covers lead-free materials only
- Needs power under the sink
- Input TDS limit applies
Performance notes
The powered system pushes water through the membrane on demand, which is how it fills cups quickly without a tank. Water above the listed TDS or temperature limits falls outside its rating.
Specifications
| Brand | Waterdrop |
|---|---|
| Model | G2P600 |
| Dimensions & fit | |
| Item Dimensions L X W X H | 17.3"L x 5.9"W x 14"H |
| Capacity & performance | |
| Capacity | 600 gallons per day |
| Maximum Flow Rate | 25 ml per second |
| Upper Temperature Rating | 87 F |
| Power & efficiency | |
| Power Source | Corded Electric |
| Construction & materials | |
| Material Type | ABS |
| Compatibility & installation | |
| Installation Type | Under sink, tankless |
| Included components | |
| Included Components | G2P600 RO system, filters, faucet, user manual |
| Unit Count | 35900 Fluid Ounces |
| Warranty & support | |
| Supported Water Tds Level Maximum Ppm | 500 |
| Other details | |
| Purification Method | Reverse osmosis, 7 stage |
| Pure to drain ratio | 2:1 |
| Certification | NSF/ANSI 372 |
| Container Type | Can |
Frequently asked questions
Can I install the Waterdrop G2P600 myself?
Yes. Waterdrop says the installation takes about 30 minutes, and filters change in 3 seconds with a twist-and-pull design.
Does the Waterdrop G2P600 have a storage tank?
No. It is a tankless system.
Is a faucet included with the Waterdrop G2P600?
Yes. The system, filters, a faucet and a user manual are included.
What is the Waterdrop G2P600 certified for?
NSF/ANSI 372, which covers lead-free materials.