Long-Term Filtration, Purity Always
Enjoy purified & healthy water with Waterdrop TSU. Use more, save more!
Ideally Sized for Your Under-Sink Space
Discover how the compact Waterdrop under sink water purifier frees
up valuable kitchen space.


Filter Life Reminder
You won't miss a filter change with the electronic indicators
(PP/UF/CT) on the front panel, notifying you by color change and beep.
Twist and Pull, One-Step Replacement
Installation and filter changes are always hassle-free, designed
for your convenience.


Improved Safety, 0 Leakage
With an innovative integrated waterway design and safe materials,
you can enjoy a long-lasting, reliable water filter.
Compare Undersink
| Compare Undersink |
|||
|---|---|---|---|
| SKU | |||
| SKU | WD-TSU-W | WD-TST-UF | WD-TSA-UF |
| Price | |||
| Price | $189.99 | $189.99 | $149.99 |
| Size | |||
| Size | 14.0 x 4.7 x 14.6 | 14.49 x 4.92 x 12.99 | 16.8 x 12.9 x 4.3 |
| Ultrafiltration | |||
| Ultrafiltration | √ | √ | √ |
| Micron Rating | |||
| Micron Rating | 0.01μm | 0.01μm | 0.01μm |
| Replacement | |||
| Replacement |
TSPP TSUF TSCT |
TSPP TSUF TSCT |
WD-10PP WD-10GC WD-10UF |
| Certification | |||
| Certification | NSF/ANSI 372 Certified | NSF/ANSI 372 Certified | NSF/ANSI 372 Certified |
| Material | |||
| Material | PP Membrane, Carbon Block, Ultrafiltration Membrane | Stainless Steel | PP Membrane, Carbon Block, Ultrafiltration Membrane |
FAQ
Curious about how the countertop water filter works? Our FAQ section
covers everything from filter lifespan to installation tips for clean, pure water every day.
What is 0.01µm ultrafiltration?
It could block impurities larger than 0.01µm — for cleaner, better-tasting water.
Will it take up a lot of space?
Not at all. The slim WD-TSU-W housing fits neatly against your cabinet side — freeing up storage while delivering a steady supply of pure water.
Does it waste water or use electricity?
No, the WD-TSU-W generates no wastewater and runs on batteries — saving you money and shrinking your carbon footprint.
How do I know when to change the filter?
Front-panel indicator lights light up and beep when it's time.
How easy is it to replace the filters?
The twist-and-pull cartridges make replacements tool-free and leak-proof.








