Aquasana AQ-5200 vs Express Water RO5 — Which Should You Buy?
Side-by-side comparison of Aquasana AQ-5200 and Express Water RO5. We compare specs, performance, and value to help you decide.
Feature Comparison
| Feature | Aquasana AQ-5200 | Express Water RO5 |
|---|---|---|
| Type | Carbon block | 5-stage RO |
| Certification | NSF | — |
| Removes | Lead, PFOA, PFOS, microplastics | Lead, arsenic, fluoride |
| Capacity | 500 gallons | 75 GPD |
| Filter Life | 6 months | — |
| Electricity | None | — |
| Installation | Under sink | — |
| Warranty | 1 year | 1 year |
| Stages | — | 5 (+ UV/alkaline options) |
| Tank | — | 3.2 gallon |
| UV | — | Optional |
| Alkaline | — | Optional |
Aquasana AQ-5200
Pros
- ✓NSF certified
- ✓Removes lead, PFOA, PFOS
- ✓No electricity
- ✓No tank
- ✓Easy installation
- ✓Affordable
- ✓Good flow rate
Cons
- ✗Not RO
- ✗Filter replacements ~$60
- ✗Doesn't remove fluoride
Express Water RO5
Pros
- ✓5-stage RO
- ✓UV optional
- ✓Alkaline optional
- ✓Removes 99%
- ✓Fast flow
- ✓3.2-gal tank
- ✓Good for large families
Cons
- ✗Add-ons increase cost
- ✗Standard waste ratio
- ✗Bulky under sink
Our Verdict
Aquasana AQ-5200
The best value under-sink filter—NSF-certified contaminant removal without the cost of RO.
Special Deal Available — See OfferExpress Water RO5
The best under-sink RO with upgrade options for UV and alkaline water.
Limited Offer — Check Today's PriceOur Methodology
We test each under-sink filter for contaminant reduction, installation ease, and long-term cost. No manufacturer has editorial influence.
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