Cloud Water Filters
Cloud RO
$599
Best Reverse Osmosis Systems · head-to-head
A sourced, side-by-side comparison. iSpring RCC7AK is cheaper at $229.99. Every spec and price links to its source.
Cloud Water Filters
$599
iSpring
$229.99Cheaper
On the specs we track, they're closely matched. The iSpring RCC7AK is the cheaper at $229.99.
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✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | | |
|---|---|---|
| US price | $599 | $229.99 |
| Brand | Cloud Water Filters | iSpring |
| Released | — | — |
| Install type | under-sink | under-sink |
| Filtration stages | 4 | 6 |
| Rated capacity gpd | — | 75 |
| Pure to drain ratio | 1:1 | — |
| TDS reduction (%) | — | 97.9 |
| Remineralization | Yes | Yes |
| Requires electricity | No | No |
| Storage tank (gal) | 2.8 | 3.2 |
| NSF certified standards | 58 | 58 |
| Membrane life months | — | — |
| Annual filter cost (USD) | 200 | 80.99 |
Sources — Cloud RO: cloudwaterfilters.com (verified 2026-07-11). iSpring RCC7AK: ispringfilter.com (verified 2026-10-01).
Where the two actually differ on the specs we track (3 of 11). Matching specs are omitted.