Full side-by-side

3M Under-Sink Filter Systems Mfr claim · WaterSource GEM 9000 Mfr claim
Spec3M Under-Sink Filter SystemsWaterSource GEM 9000Winner
OriginUSASingapore—
DistributionRetail · home renovation channelsDirect retail · Evergreen Group subsidiary—
CategoryUnder-sink filter system (NOT a true ionizer)Hydrogen-rich alkaline + portable—
Plates09WaterSource GEM 9000
pH (max alkaline)7.410.6WaterSource GEM 9000
ORP-30 mV-700 mVWaterSource GEM 9000
Dissolved H₂0.01 ppm1.2 ppmWaterSource GEM 9000
Flow rate2.5 L/min2.5 L/minTie
Warranty1 yr2 yrWaterSource GEM 9000
Filter cost (each)S$ 220S$ 220Tie
Sticker priceS$ 450S$ 4,9993M Under-Sink Filter Systems
5-year totalS$ 1,550S$ 7,1993M 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$ 5,649 over 5 years.

Lab performance: 3M Under-Sink Filter Systems produces 0.01 ppm dissolved H₂; WaterSource GEM 9000 produces 1.2 ppm. The WaterSource GEM 9000 leads on hydrogen output.

Warranty: 3M Under-Sink Filter Systems carries a 1-year warranty; WaterSource GEM 9000 carries 2. WaterSource GEM 9000 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 →

WaterSource GEM 9000

Direct retail · Evergreen Group subsidiary

Showroom: 8 New Industrial Road #01-02/03, LHK3, Singapore 536200

Phone: +65 8860 6951 · Hotline +65 9325 6199

Lineup: GEM 9000 ($4,999) · GEM 9090NT ($3,999) · H001 ($2,888) · H2 Cap Plus ($365) · Alkalark ($199) · Alkaliser ($158)

Visit WaterSource (Evergreen Group) →

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