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.

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 $649 $449.99
BrandCloud Water FiltersBrondell
Released
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

Sources — Cloud RO: cloudwaterfilters.com (verified 2026-07-11). Brondell Circle RC100: brondell.com (verified 2026-07-11).

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

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