Best Reverse Osmosis Systems · head-to-head

Cloud RO vs iSpring RCC7AK

A sourced, side-by-side comparison. iSpring RCC7AK is cheaper at $229.99. Every spec and price links to its source.

Which is better: the Cloud RO 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 Cloud RO iSpring RCC7AK
US price $599 $229.99
BrandCloud Water FiltersiSpring
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).

What's the difference between the Cloud RO and iSpring RCC7AK?

Where the two actually differ on the specs we track (3 of 11). Matching specs are omitted.

  • Filtration stages: Cloud RO 4 vs iSpring RCC7AK 6
  • Storage tank (gal): Cloud RO 2.8 vs iSpring RCC7AK 3.2
  • Annual filter cost (USD): Cloud RO 200 vs iSpring RCC7AK 80.99

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