Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.
APEC ROES-PH75 comes out ahead by a narrow margin (4.7 vs 4.6). The gap is mostly about buyers prioritizing USA manufacturing in RO — read the strengths below before deciding.
The ROES-PH75 is the USA-made RO pick — APEC's flagship 6-stage with alkaline pH boost.
The SmartFlow is the tankless RO pick — Aquasana's compact RO with smart leak detection saves space.
USA-made. Long-life filters. Tied with iSpring on capability.
Tankless RO. Smart leak detection. Premium price.
| Spec | APEC ROES-PH75 | Aquasana SmartFlow Reverse Osmosis |
|---|---|---|
| Type | 6-stage RO | Tankless RO |
| Origin | USA | — |
| Filter Life | 12-18 mo early stages | — |
| Warranty | 5-year | — |
| Cert | — | NSF 58 |
| Removal | — | 96% contaminants |
| Feature | — | Smart leak detection |