iSpring
iSpring RCC7AK
$241.99
Best Reverse Osmosis Systems · head-to-head
A sourced, side-by-side comparison. APEC Essence ROES-50 is cheaper at $230.99. Every spec and price links to its source.
iSpring
$241.99
APEC Water Systems
$230.99Cheaper
On the specs we track, they're closely matched. The APEC Essence ROES-50 is the cheaper at $230.99.
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✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | | |
|---|---|---|
| US price | $241.99 | $230.99 |
| Brand | iSpring | APEC Water Systems |
| Released | — | — |
| Install type | under-sink | under-sink |
| Filtration stages | 6 | 5 |
| Rated capacity gpd | 75 | 50 |
| Pure to drain ratio | — | — |
| TDS reduction pct | 97.9 | — |
| Remineralization | Yes | No |
| Requires electricity | No | No |
| Storage tank gal | 3.2 | 4 |
| Nsf certified standards | 58 | 58, 372 |
| Membrane life months | — | — |
| Annual filter cost usd | 80.99 | — |
Sources — iSpring RCC7AK: ispringfilter.com (verified 2026-07-11). APEC Essence ROES-50: apecwater.com (verified 2026-07-11).
Where the two actually differ on the specs we track (5 of 11). Matching specs are omitted.