AquaTru
AquaTru Classic
$475
Best Reverse Osmosis Systems · head-to-head
AquaTru Classic vs iSpring RCC7AK
A sourced, side-by-side comparison. iSpring RCC7AK is cheaper at $229.99. Every spec and price links to its source.
iSpring
iSpring RCC7AK
$229.99Cheaper
Which is better: the AquaTru Classic or iSpring RCC7AK?
On the specs we track, they're closely matched. The iSpring RCC7AK is the cheaper at $229.99.
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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 |  iSpring RCC7AK |
|---|---|---|
| US price | $475 | $229.99 |
| Brand | AquaTru | iSpring |
| Released | — | — |
| Install type | countertop | under-sink |
| Filtration stages | 4 | 6 |
| Rated capacity gpd | — | 75 |
| Pure to drain ratio | — | — |
| TDS reduction (%) | — | 97.9 |
| Remineralization | No | Yes |
| Requires electricity | Yes | No |
| Storage tank (gal) | 0.75 | 3.2 |
| NSF certified standards | — | 58 |
| Membrane life months | 24 | — |
| Annual filter cost (USD) | — | 80.99 |
Sources — AquaTru Classic: aquatru.com (verified 2026-10-20). iSpring RCC7AK: ispringfilter.com (verified 2026-10-01).
What's the difference between the AquaTru Classic and iSpring RCC7AK?
Where the two actually differ on the specs we track (5 of 11). Matching specs are omitted.
- Install type: AquaTru Classic countertop vs iSpring RCC7AK under-sink
- Filtration stages: AquaTru Classic 4 vs iSpring RCC7AK 6
- Remineralization: AquaTru Classic false vs iSpring RCC7AK true
- Requires electricity: AquaTru Classic true vs iSpring RCC7AK false
- Storage tank (gal): AquaTru Classic 0.75 vs iSpring RCC7AK 3.2