Full side-by-side

3M Under-Sink Filter Systems Mfr claim · Nontoxic Wellness Store Mfr claim
Spec3M Under-Sink Filter SystemsNontoxic Wellness StoreWinner
OriginUSASingapore retailer
DistributionRetail · home renovation channelsMulti-brand retail (1,000+ wellness items)
CategoryUnder-sink filter system (NOT a true ionizer)Wellness products retailer
Plates00Tie
pH (max alkaline)7.48.2Nontoxic Wellness Store
ORP-30 mV-50 mVNontoxic Wellness Store
Dissolved H₂0.01 ppm0.03 ppmNontoxic Wellness Store
Flow rate2.5 L/min2.0 L/min3M Under-Sink Filter Systems
Warranty1 yr1 yrTie
Filter cost (each)S$ 220S$ 120Nontoxic Wellness Store
Sticker priceS$ 450S$ 8003M Under-Sink Filter Systems
5-year totalS$ 1,550S$ 2,0003M 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$ 450 over 5 years.

Lab performance: 3M Under-Sink Filter Systems produces 0.01 ppm dissolved H₂; Nontoxic Wellness Store produces 0.03 ppm. The Nontoxic Wellness Store leads on hydrogen output.

Warranty: 3M Under-Sink Filter Systems carries a 1-year warranty; Nontoxic Wellness Store 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 →

Nontoxic Wellness Store

Multi-brand retail (1,000+ wellness items)

Showroom: 101 Lorong 23 Geylang #02-01 Prosper House, Singapore 388399

Phone: +65 9658 0222 · +65 9455 8291

Lineup: 1,000+ wellness products · multiple water-filter brands carried

Visit Nontoxic Wellness →

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