# AquaTru Classic vs Brondell Circle RC100: specs and price compared

A sourced, side-by-side comparison of the AquaTru Classic (AquaTru) 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 | AquaTru Classic | Brondell Circle RC100 |
| --- | --- | --- |
| US price | $475 | $449.99 |
| Brand | AquaTru | Brondell |
| 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 | — | — |

## Key differences

- Install type: AquaTru Classic countertop vs Brondell Circle RC100 under-sink
- Requires electricity: AquaTru Classic Yes vs Brondell Circle RC100 No
- Storage tank gal: AquaTru Classic 0.75 vs Brondell Circle RC100 1.6

## Sources

- AquaTru Classic: https://aquatruwater.com/products/countertop-reverse-osmosis-water-purifier (aquatruwater.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/aquatru-classic-vs-brondell-circle-rc100/
Cite: Per The Front Desk Review, AquaTru Classic ($475) vs Brondell Circle RC100 ($449.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/reverse-osmosis-systems/aquatru-classic-vs-brondell-circle-rc100/
License: CC BY 4.0.