- [0.01 μm Ultra Filtration Membrane] The 0.01-micron uf membrane of this ultra-filtration undersink filtration system reduces 99.99% chlorine and effectively adsorb lead, heavy metals, VOCs, and much more. This system is not designed for TDS removal.
- [Integrated Waterway] Waterdrop ultra-filtration undersink filtration system adopts the cutting edge integrated waterway to prevent water leakage, which allows you to replace the filters without cutting off the water supply and produces prime-quality purified water with zero waste-water.
- [Smart Indicating System] Smart indicating system allows you to check water quality and working mode with a glance. The electronic indicators on the front panel will notify you when to replace the filters by changing the color.
- [Easy Installation] Waterdrop ultra-filtration undersink filtration system is an innovative, all-in-one intelligent water purification system. In just a few minutes, the ultrafiltration inline filtration system can be installed completely.
- [Model] Same as WD-TSU-B, but in a different color. Click here to compare our undersink filtration systems.
Ultrafiltration Under Sink Water Filter System Waterdrop TSU-W
Model number
WD-TSU-W / WD-TSU-B
Power Specification
4.5V AA battery * 3
System Size (L*W*H)
14.81” * 4.68” * 13.97”
Feed Water Temperature
41-100 °F / 5-38 °C
Feed Water Pressure
14.5-87 psi / 0.1-0.6 MPa









![]() TSU Ultrafiltration System |
![]() TSC Filtration System |
![]() G3 RO Filtration System |
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Replacement Filters | TSPP/TSUF/TSCT | TSPP/TSCS/TSCT | N1CF/N2RO/N3CB |
---|---|---|---|
Micron Rating | 0.01μm | 0.5μm | 0.0001μm |
Removable Substances | Most of chlorine, taste and odor, lead, fluoride, heavy metals, VOCs and much more | Most of chlorine, odor, lead, mercury, fluoride, arsenic | Most contaminants including fluoride, TDS, limescale, bacteria, viruses and heavy metals |
Gallons Per Minute | 0.6 GPM | 0.6 GPM | 0.27 GPM |
Upgrade Filter Material | Ultra-Filtration membrane | × | Reverse osmosis (RO) membrane |
Reduce TDS | × | × | √ |
Dedicated Faucet | Ordinary faucet | Ordinary faucet | Smart faucet |

- Compatible with Waterdrop WD-TSU filtration system
- 6 Months Lifetime WD-TSUF Filter for Ultra Filtration System

- Compatible with Waterdrop WD-TSU filtration system
- 12 Months Lifetime WD-TSUF Filter for Ultra Filtration System

- Compatible with Waterdrop WD-TSU filtration system
- 24 Months Lifetime WD-TSUF Filter for Ultra Filtration System
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