# Cloud RO vs Brondell Circle RC100: specs and price compared

A sourced, side-by-side comparison of the Cloud RO (Cloud Water Filters) and Brondell Circle RC100 (Brondell) among reverse osmosis systems. Brondell Circle RC100 is the cheaper of the two at $449.99.

## Side by side

| Spec | Cloud RO | Brondell Circle RC100 |
| --- | --- | --- |
| US price | $649 | $449.99 |
| Brand | Cloud Water Filters | Brondell |
| Install type | under-sink | under-sink |
| Filtration stages | 4 | 4 |
| Rated capacity gpd | — | — |
| Pure to drain ratio | 1:1 | — |
| TDS reduction pct | — | — |
| Remineralization | Yes | No |
| Requires electricity | No | No |
| Storage tank gal | 2.8 | 1.6 |
| Nsf certified standards | 58 | 42, 53, 58, 372 |
| Membrane life months | — | 24 |
| Annual filter cost usd | 200 | — |

## Key differences

- Remineralization: Cloud RO Yes vs Brondell Circle RC100 No
- Storage tank gal: Cloud RO 2.8 vs Brondell Circle RC100 1.6
- Nsf certified standards: Cloud RO 58 vs Brondell Circle RC100 42, 53, 58, 372

## Sources

- Cloud RO: https://www.cloudwaterfilters.com/buy/cloud-ro (cloudwaterfilters.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/cloud-ro-vs-brondell-circle-rc100/
Cite: Per The Front Desk Review, Cloud RO ($649) vs Brondell Circle RC100 ($449.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/reverse-osmosis-systems/cloud-ro-vs-brondell-circle-rc100/
License: CC BY 4.0.