Cloud Water Filters
Cloud RO
$599
Best Reverse Osmosis Systems · head-to-head
Cloud RO 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
$449.99Cheaper
2 sellers$449.99read
Which is better: the Cloud RO or Brondell Circle RC100?
On the specs we track, they're closely matched. The Brondell Circle RC100 is the cheaper at $449.99.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec |  Cloud RO |  Brondell Circle RC100 |
|---|---|---|
| US price | $599 | $449.99 |
| Brand | Cloud Water Filters | Brondell |
| Released | — | — |
| Install type | under-sink | under-sink |
| Filtration stages | 4 | 4 |
| Rated capacity gpd | — | — |
| Pure to drain ratio | 1:1 | — |
| TDS reduction (%) | — | — |
| 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 | — |
Sources — Cloud RO: cloudwaterfilters.com (verified 2026-07-11). Brondell Circle RC100: brondell.com (verified 2026-10-20).
What's the difference between the Cloud RO and Brondell Circle RC100?
Where the two actually differ on the specs we track (3 of 11). Matching specs are omitted.
- Remineralization: Cloud RO true vs Brondell Circle RC100 false
- 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