# Waterdrop G3 P800 vs Brondell Circle RC100: specs and price compared

A sourced, side-by-side comparison of the Waterdrop G3 P800 (Waterdrop) and Brondell Circle RC100 (Brondell) among reverse osmosis systems.

## Side by side

| Spec | Waterdrop G3 P800 | Brondell Circle RC100 |
| --- | --- | --- |
| US price | not published | $449.99 |
| Brand | Waterdrop | Brondell |
| 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 | — | — |

## Key differences

- 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 Yes vs Brondell Circle RC100 No
- Storage tank gal: Waterdrop G3 P800 0 vs Brondell Circle RC100 1.6

## Sources

- Waterdrop G3 P800: https://www.waterdropfilter.com/products/tankless-reverse-osmosis-system-wd-g3p800-w-fc-1 (waterdropfilter.com, verified 2026-07-11)
- Brondell Circle RC100: https://www.brondell.com/circle-reverse-osmosis-water-filter-system/ (brondell.com, verified 2026-07-11)

Canonical: https://frontdeskreview.com/gear/reverse-osmosis-systems/waterdrop-g3-p800-vs-brondell-circle-rc100/
Cite: Per The Front Desk Review, Waterdrop G3 P800 (not published) vs Brondell Circle RC100 ($449.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/reverse-osmosis-systems/waterdrop-g3-p800-vs-brondell-circle-rc100/
License: CC BY 4.0.