Full side-by-side

3M Under-Sink Filter Systems Mfr claim · Takashimaya (multi-brand) Mfr claim
Spec3M Under-Sink Filter SystemsTakashimaya (multi-brand)Winner
OriginUSAJapan department store
DistributionRetail · home renovation channelsDepartment store retail
CategoryUnder-sink filter system (NOT a true ionizer)Department store (multi-brand)
Plates00Tie
pH (max alkaline)7.4None3M Under-Sink Filter Systems
ORP-30 mVNone mV3M Under-Sink Filter Systems
Dissolved H₂0.01 ppmNone ppm3M Under-Sink Filter Systems
Flow rate2.5 L/minNone L/min3M Under-Sink Filter Systems
Warranty1 yr1 yrTie
Filter cost (each)S$ 220S$ 150Takashimaya (multi-brand)
Sticker priceS$ 450S$ 1,0003M Under-Sink Filter Systems
5-year totalS$ 1,550S$ 2,5003M 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$ 950 over 5 years.

Lab performance: 3M Under-Sink Filter Systems produces 0.01 ppm dissolved H₂; Takashimaya (multi-brand) produces None ppm. The 3M Under-Sink Filter Systems leads on hydrogen output.

Warranty: 3M Under-Sink Filter Systems carries a 1-year warranty; Takashimaya (multi-brand) carries 1. Same warranty length.

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 →

Takashimaya (multi-brand)

Department store retail

Showroom: Ngee Ann City, 391 Orchard Road, Singapore 238872

Lineup: No own-label water ionizer · stocks Panasonic + other appliance brands on Kitchen floor

Visit Takashimaya Singapore →

No affiliate links · Waterionizer.sg earns zero from either purchase.