Waterdrop
Waterdrop G3 P800
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Best Reverse Osmosis Systems · head-to-head
Waterdrop G3 P800 vs Brondell Circle RC100
A sourced, side-by-side comparison. Brondell Circle RC100 is cheaper at $449.99. Every spec and price links to its source.
Brondell
Brondell Circle RC100
$449.99
Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Waterdrop G3 P800 | Brondell Circle RC100 |
|---|---|---|
| US price | — | $449.99 |
| Brand | Waterdrop | Brondell |
| Released | — | — |
| Install type | tankless-under-sink | under-sink |
| Filtration stages | 10 | 4 |
| Rated capacity gpd | 800 | — |
| Pure to drain ratio | 3:1 | — |
| TDS reduction pct | — | — |
| Remineralization | No | No |
| Requires electricity | Yes | No |
| Storage tank gal | 0 | 1.6 |
| Nsf certified standards | 42, 53, 58, 372 | 42, 53, 58, 372 |
| Membrane life months | 24 | 24 |
| Annual filter cost usd | — | — |
Sources — Waterdrop G3 P800: waterdropfilter.com (verified 2026-07-11). Brondell Circle RC100: brondell.com (verified 2026-07-11).
What's the difference between the Waterdrop G3 P800 and Brondell Circle RC100?
Where the two actually differ on the specs we track (4 of 11). Matching specs are omitted.
- Install type: Waterdrop G3 P800 tankless-under-sink vs Brondell Circle RC100 under-sink
- Filtration stages: Waterdrop G3 P800 10 vs Brondell Circle RC100 4
- Requires electricity: Waterdrop G3 P800 true vs Brondell Circle RC100 false
- Storage tank gal: Waterdrop G3 P800 0 vs Brondell Circle RC100 1.6