Full side-by-side

Doulton Ceramic Filter Mfr claim · Wells The One Mfr claim
SpecDoulton Ceramic FilterWells The OneWinner
OriginUKKorea
DistributionRetail · specialty water shopsDirect retail · 2 SG showrooms
CategoryCeramic under-sink filter (NOT a true ionizer)Filtered hot/cold dispenser (NOT a true ionizer)
Plates00Tie
pH (max alkaline)7.48.5Wells The One
ORP-40 mV-180 mVWells The One
Dissolved H₂0.01 ppm0.05 ppmWells The One
Flow rate1.8 L/min1.8 L/minTie
Warranty1 yr5 yrWells The One
Filter cost (each)S$ 95Wells The One
Sticker priceS$ 320— / S$ 49/moDoulton Ceramic Filter
5-year totalS$ 1,270S$ 2,940Doulton 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$ 1,670 over 5 years.

Lab performance: Doulton Ceramic Filter produces 0.01 ppm dissolved H₂; Wells The One produces 0.05 ppm. The Wells The One leads on hydrogen output.

Warranty: Doulton Ceramic Filter carries a 1-year warranty; Wells The One carries 5. Wells The One wins on coverage.

Where to buy + showroom info

Doulton Ceramic Filter

Retail · specialty water shops

Lineup: HIP3 · HCS · HCP · countertop and under-sink ceramic systems

Visit Doulton →

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 →

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