Cloud Water Filters
Cloud RO
$599
Best Reverse Osmosis Systems · head-to-head
Cloud RO vs AquaTru Classic
A sourced, side-by-side comparison. AquaTru Classic is cheaper at $475. Every spec and price links to its source.
AquaTru
AquaTru Classic
$475Cheaper
Which is better: the Cloud RO or AquaTru Classic?
On the specs we track, they're closely matched. The AquaTru Classic is the cheaper at $475.
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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 |  AquaTru Classic |
|---|---|---|
| US price | $599 | $475 |
| Brand | Cloud Water Filters | AquaTru |
| Released | — | — |
| Install type | under-sink | countertop |
| Filtration stages | 4 | 4 |
| Rated capacity gpd | — | — |
| Pure to drain ratio | 1:1 | — |
| TDS reduction (%) | — | — |
| Remineralization | Yes | No |
| Requires electricity | No | Yes |
| Storage tank (gal) | 2.8 | 0.75 |
| NSF certified standards | 58 | — |
| Membrane life months | — | 24 |
| Annual filter cost (USD) | 200 | — |
Sources — Cloud RO: cloudwaterfilters.com (verified 2026-07-11). AquaTru Classic: aquatru.com (verified 2026-10-20).
What's the difference between the Cloud RO and AquaTru Classic?
Where the two actually differ on the specs we track (4 of 11). Matching specs are omitted.
- Install type: Cloud RO under-sink vs AquaTru Classic countertop
- Remineralization: Cloud RO true vs AquaTru Classic false
- Requires electricity: Cloud RO false vs AquaTru Classic true
- Storage tank (gal): Cloud RO 2.8 vs AquaTru Classic 0.75