Full side-by-side

Doulton Ceramic Filter Mfr claim · Philips Water Purifier Mfr claim
SpecDoulton Ceramic FilterPhilips Water PurifierWinner
OriginUKNetherlands
DistributionRetail · specialty water shopsRetail · Best Denki / Courts / online
CategoryCeramic under-sink filter (NOT a true ionizer)Counter-top filter / dispenser (NOT a true ionizer)
Plates00Tie
pH (max alkaline)7.47.4Tie
ORP-40 mV-30 mVDoulton Ceramic Filter
Dissolved H₂0.01 ppm0.01 ppmTie
Flow rate1.8 L/min2.0 L/minPhilips Water Purifier
Warranty1 yr2 yrPhilips Water Purifier
Filter cost (each)S$ 95S$ 80Philips Water Purifier
Sticker priceS$ 320S$ 350Doulton Ceramic Filter
5-year totalS$ 1,270S$ 1,150Philips Water Purifier
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: Philips Water Purifier saves S$ 120 over 5 years.

Lab performance: Doulton Ceramic Filter produces 0.01 ppm dissolved H₂; Philips Water Purifier produces 0.01 ppm. Effectively tied on hydrogen.

Warranty: Doulton Ceramic Filter carries a 1-year warranty; Philips Water Purifier carries 2. Philips Water Purifier 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 →

Philips Water Purifier

Retail · Best Denki / Courts / online

Lineup: AUT3268 · AUT3234 · AUT2236 · AUT3015 · Micro X-Clean

Visit Philips →

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