Full side-by-side

3M Under-Sink Filter Systems Mfr claim · Kemp ION-X Mfr claim
Spec3M Under-Sink Filter SystemsKemp ION-XWinner
OriginUSAKorea (SG distributor)
DistributionRetail · home renovation channelsDirect retail (38+ years in SG)
CategoryUnder-sink filter system (NOT a true ionizer)Alkaline ionizer + dispensers
Plates09Kemp ION-X
pH (max alkaline)7.410.45Kemp ION-X
ORP-30 mV-702 mVKemp ION-X
Dissolved H₂0.01 ppm1.18 ppmKemp ION-X
Flow rate2.5 L/min2.6 L/minKemp ION-X
Warranty1 yr3 yrKemp ION-X
Filter cost (each)S$ 220S$ 180Kemp ION-X
Sticker priceS$ 450S$ 2,2883M Under-Sink Filter Systems
5-year totalS$ 1,550S$ 4,0883M 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$ 2,538 over 5 years.

Lab performance: 3M Under-Sink Filter Systems produces 0.01 ppm dissolved H₂; Kemp ION-X produces 1.18 ppm. The Kemp ION-X leads on hydrogen output.

Warranty: 3M Under-Sink Filter Systems carries a 1-year warranty; Kemp ION-X carries 3. Kemp ION-X 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 →

Kemp ION-X

Direct retail (38+ years in SG)

Showroom: 10 Anson Road #02-86, International Plaza, Singapore 079903

Phone: +65 6272 5337 · WhatsApp +65 8368 1222

Lineup: iPro Hot & Cold · KempSmart Undersink · KempSmart i9 · i7 · Alphion MX · Mavello Z

Visit Kemp Singapore Pte Ltd →

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