AquaTru
AquaTru Classic
$475
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.
Brondell
Brondell Circle RC100
$449.99Cheaper
2 sellers$449.99read
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 |
| Brand | AquaTru | Brondell |
| Released | — | — |
| Install type | countertop | under-sink |
| Filtration stages | 4 | 4 |
| Rated capacity gpd | — | — |
| Pure to drain ratio | — | — |
| TDS reduction (%) | — | — |
| 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: aquatru.com (verified 2026-10-20). Brondell Circle RC100: brondell.com (verified 2026-10-20).
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