Full side-by-side
Cuckoo Icon / Marvel Mfr claim
·
Doulton Ceramic Filter Mfr claim
| Spec | Cuckoo Icon / Marvel | Doulton Ceramic Filter | Winner |
|---|---|---|---|
| Origin | Korea | UK | — |
| Distribution | Direct retail + rental | Retail · specialty water shops | — |
| Category | Rental water purifier (NOT a true ionizer) | Ceramic under-sink filter (NOT a true ionizer) | — |
| Plates | 0 | 0 | Tie |
| pH (max alkaline) | 7.6 | 7.4 | Cuckoo Icon / Marvel |
| ORP | -60 mV | -40 mV | Cuckoo Icon / Marvel |
| Dissolved H₂ | 0.02 ppm | 0.01 ppm | Cuckoo Icon / Marvel |
| Flow rate | 2.0 L/min | 1.8 L/min | Cuckoo Icon / Marvel |
| Warranty | 5 yr | 1 yr | Cuckoo Icon / Marvel |
| Filter cost (each) | — | S$ 95 | Cuckoo Icon / Marvel |
| Sticker price | — / S$ 55/mo | S$ 320 | Doulton Ceramic Filter |
| 5-year total | S$ 3,300 | S$ 1,270 | Doulton Ceramic Filter |
| 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: Doulton Ceramic Filter saves S$ 2,030 over 5 years.
Lab performance: Cuckoo Icon / Marvel produces 0.02 ppm dissolved H₂; Doulton Ceramic Filter produces 0.01 ppm. The Cuckoo Icon / Marvel leads on hydrogen output.
Warranty: Cuckoo Icon / Marvel carries a 5-year warranty; Doulton Ceramic Filter carries 1. Cuckoo Icon / Marvel wins on coverage.
Where to buy + showroom info
Cuckoo Icon / Marvel
Direct retail + rental
Showroom: Multiple SG service centres
Phone: +65 6589 0666
Lineup: ICON · Marvel · Prince TOP · King TOP · Q5200S
Visit Cuckoo International (SG) →Doulton Ceramic Filter
Retail · specialty water shops
Lineup: HIP3 · HCS · HCP · countertop and under-sink ceramic systems
Visit Doulton →No affiliate links · Waterionizer.sg earns zero from either purchase.