The pinnacle of under-sink filtration. Eleven stages of reverse osmosis at a massive 1600 GPD — pure water, instantly. UV sterilisation destroys bacteria and viruses, while healthy alkaline minerals (calcium & magnesium) lift the pH to an optimal ~7.5 for better taste and wellbeing. An advanced 3:1 pure-to-drain ratio, BPA-free construction and a smart digital faucet showing real-time TDS and filter life, with preset water-volume dispensing — so your glass never overfills. Certified to NSF/ANSI 42, 58 & 372. An energy-saving standby mode cuts power draw by up to 40%, and integrated internal waterways reduce the number of joints inside the unit, lowering the risk of leaks over its lifetime.
Dimensions: 46.2 cm (L) × 15.9 cm (W) × 42.5 cm (H) · 16.75 kg
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Waterdrop's most powerful under-sink system. Eleven stages of filtration remove TDS, PFOA/PFOS, fluoride, arsenic, lead and more — at a flow rate that fills a glass almost instantly.
A dedicated remineralisation stage infuses healthy calcium and magnesium and lifts the water to a gentle alkaline pH of around 7.5 — pure water that tastes great and supports your wellbeing.
An advanced 3:1 pure-to-drain ratio wastes far less water than conventional RO systems — better for your bills and the environment, without compromising purity.
The smart display keeps you informed at a glance — live TDS readings and a filter-life indicator for each cartridge, so you always know your water quality and when a swap is due. Plus a water-volume setting lets you preset exact amounts, so your glass never overfills.
Built-in UV sterilisation destroys bacteria and viruses for an extra layer of protection beyond the RO membrane — every glass is as safe as it is pure.
The F1A pre-filter lasts up to 12 months (1,100 gal), the F2 carbon filter 6 months (550 gal), and the X16-F3 RO membrane a full 24 months (2,900 gal) — all tool-free, twist-and-pull swaps.
| Model | Waterdrop WD-X16 |
| Filter Stages | 11-Stage RO Filtration |
| Flow Rate | 1600 GPD (Gallons Per Day) |
| RO Membrane Precision | 0.0001 μm |
| Pure-to-Drain Ratio | 3:1 (advanced efficiency) |
| UV Sterilisation | Yes — destroys bacteria & viruses |
| Alkaline & Minerals | Yes — Ca & Mg, pH raised to ≈7.5 |
| Smart Features | Real-time TDS monitoring, filter life indicator & preset water-volume dispensing — prevents your glass from overfilling |
| Tank Type | Tankless — compact |
| Dimensions | 46.2 cm (L) × 15.9 cm (W) × 42.5 cm (H) |
| Weight | 16.75 kg |
| Reduces | TDS, PFOA/PFOS, chlorine, fluoride, barium, arsenic, salt, sediment, chromium-VI, lead & microplastics |
| Replacement Filters | F1A (12 mo / 1,100 gal) · F2 (6 mo / 550 gal) · X16-F3 RO (24 mo / 2,900 gal) |
| Materials | BPA-free construction |
| Certification | NSF/ANSI 42, 58 & 372 |
| Warranty | 2 years, full parts & labour |