Best Reverse Osmosis Systems · head-to-head

AquaTru Classic 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 AquaTru Classic 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 AquaTru Classic Brondell Circle RC100
US price $475 $449.99
BrandAquaTruBrondell
Released
Install type countertop under-sink
Filtration stages 4 4
Rated capacity gpd
Pure to drain ratio
TDS reduction pct
Remineralization No No
Requires electricity Yes No
Storage tank gal 0.75 1.6
Nsf certified standards 42, 53, 58, 372
Membrane life months 24 24
Annual filter cost usd

Sources — AquaTru Classic: aquatruwater.com (verified 2026-07-11). Brondell Circle RC100: brondell.com (verified 2026-07-11).

What's the difference between the AquaTru Classic and Brondell Circle RC100?

Where the two actually differ on the specs we track (3 of 11). Matching specs are omitted.

  • Install type: AquaTru Classic countertop vs Brondell Circle RC100 under-sink
  • Requires electricity: AquaTru Classic true vs Brondell Circle RC100 false
  • Storage tank gal: AquaTru Classic 0.75 vs Brondell Circle RC100 1.6

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