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Enjoy purified & healthy water with Waterdrop TSU. Use more, save more!

Discover how the compact Waterdrop under sink water purifier frees up valuable kitchen space.

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.

Installation and filter changes are always hassle-free, designed for your convenience.

With an innovative integrated waterway design and safe materials, you can enjoy a long-lasting, reliable water filter.
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Undersink
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Flow Rate
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| Flow Rate | 1.45 Gallon Per Day | 1 Gallons Per Minute | - |
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Filter Lifespan
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Certification
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| Certification | NSF/ANSI 372 | NSF/ANSI 42 & 372 | NSF/ANSI 372 |
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Product Dimensions (CM)
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| Product Dimensions (CM) | 11.94 × 37.08 × 35.56 | 42.67 × 32.77 × 10.92 | 42.67 × 10.92 × 32.77 |
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Product Weight (KG)
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| Product Weight (KG) | 6.3 | 3.13 | 3.5 |
| Ultrafiltration | |||
| Ultrafiltration | √ | × | × |
68,000+ people find their water filter here
Curious about how the undersink water filter works? Our FAQ section covers everything from filter lifespan to installation tips for clean, pure water every day.
It could block impurities larger than 0.01µm — for cleaner, better-tasting water.
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.
No, the WD-TSU-W generates no wastewater and runs on batteries — saving you money and shrinking your carbon footprint.
Front-panel indicator lights light up and beep when it's time.
The twist-and-pull cartridges make replacements tool-free and leak-proof.
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