Full side-by-side
3M Under-Sink Filter Systems Mfr claim
·
Wells The One Mfr claim
| Spec | 3M Under-Sink Filter Systems | Wells The One | Winner |
|---|---|---|---|
| Origin | USA | Korea | — |
| Distribution | Retail · home renovation channels | Direct retail · 2 SG showrooms | — |
| Category | Under-sink filter system (NOT a true ionizer) | Filtered hot/cold dispenser (NOT a true ionizer) | — |
| Plates | 0 | 0 | Tie |
| pH (max alkaline) | 7.4 | 8.5 | Wells The One |
| ORP | -30 mV | -180 mV | Wells The One |
| Dissolved H₂ | 0.01 ppm | 0.05 ppm | Wells The One |
| Flow rate | 2.5 L/min | 1.8 L/min | 3M Under-Sink Filter Systems |
| Warranty | 1 yr | 5 yr | Wells The One |
| Filter cost (each) | S$ 220 | — | Wells The One |
| Sticker price | S$ 450 | — / S$ 49/mo | 3M Under-Sink Filter Systems |
| 5-year total | S$ 1,550 | S$ 2,940 | 3M Under-Sink Filter Systems |
| Our rating | — | — | — |
How we sourced these numbers: All specs are taken directly from each manufacturer's published product page (links at the bottom). We have NOT independently lab-tested these brands — only Prime Water (our own sister brand) is verifiable through primewater.com.sg. Independent lab testing is rolling out through 2026.
Verdict
Cost over 5 years: 3M Under-Sink Filter Systems saves S$ 1,390 over 5 years.
Lab performance: 3M Under-Sink Filter Systems produces 0.01 ppm dissolved H₂; Wells The One produces 0.05 ppm. The Wells The One leads on hydrogen output.
Warranty: 3M Under-Sink Filter Systems carries a 1-year warranty; Wells The One carries 5. Wells The One wins on coverage.
Where to buy + showroom info
3M Under-Sink Filter Systems
Retail · home renovation channels
Lineup: AP Easy Complete · AP2-C405-G · HCD-2 · Aqua-Pure
Visit 3M Singapore →Wells The One
Direct retail · 2 SG showrooms
Showroom: Paya Lebar (140 Paya Lebar Rd #01-16) + Jurong East (8 Boon Lay Way #01-20)
Phone: +65 8828 8383 (sales) · +65 8797 8383 (service)
Lineup: The One · Home Café · Mini · Slim One · Ice One · TT Cooling+
Visit Wells Singapore →No affiliate links · Waterionizer.sg earns zero from either purchase.