
Waterdrop 10UA
Score: 80/100
Waterdrop TSA
Score: 82/100Rankings

The Waterdrop TSA is a compact, 8-stage under-sink filtration system designed to reduce over 100 contaminants while retaining beneficial minerals. It lacks TDS reduction capabilities and is limited to cold municipal water. It is best suited for renters or DIYers wanting a quick, low-maintenance upgrade for taste and safety.

The Waterdrop 10UA is a compact, direct-connect under-sink filter that effectively reduces chlorine, PFAS, and lead while retaining beneficial minerals. Its standout feature is the ultra-compact design and tool-free installation, making it ideal for renters and small spaces. It is best suited for users who do not require TDS reduction and want a simple, low-maintenance solution.
| Attribute | ![]() | ![]() |
|---|---|---|
0.75 gallons per minute | 1 gallons per minutebest | |
12 months | 18 monthsbest | |
8best | 8best | |
8,000 gallonsbest | — | |
1 yearsbest | 1 yearsbest | |
| ↓ lower better | 12.3 inchesbest | 16.93 inches |
| ↓ lower better | 3.6 inchesbest | 6.65 inches |
| ↓ lower better | 3.6 inchesbest | 14.88 inches |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Dimensions & Fit(3) | ||
Height (inches) | 12.3 inches | 16.93 inches |
Width (inches) | 3.6 inches | 6.65 inches |
Depth (inches) | 3.6 inches | 14.88 inches |
Performance & Filtration(6) | ||
Certifications | NSF/ANSI 42, 372, WQA, SGS | NSF/ANSI 372 |
Contaminants Removed | Chlorine, PFAS, Lead, Heavy Metals | PFAS, Chlorine, Heavy Metals |
Flow Rate (gallons per minute) | 0.75 gallons per minute | 1 gallons per minute |
Filter Life (months) | 12 months | 18 months |
Filter Capacity (gallons) | 8000 gallons | null gallons |
Filtration Technology | Ultrafiltration/Carbon | Multi-Stage Carbon/KDF/Resin |
Features & Accessories(1) | ||
Remineralization | true | false |
Installation & Compatibility(1) | ||
Operating Pressure (psi) | psi | 125 psi |


Products in the top-left offer the best value (high score, low price).

Professional reviewers highlight the Waterdrop 10UA for its sleek, compact design and surprisingly high filtration rate. Experts emphasize its cost-effectiveness and ease of installation, noting it is an excellent low-profile kitchen addition.
Everyday users primarily praise the Waterdrop 10UA for its ease of installation and compact footprint, frequently mentioning the 3-minute setup time as a major benefit for DIY projects. The space-saving design is highly appreciated by those with limited under-sink storage.

Professional reviewers and editors praise the Waterdrop TSA for its compact design, quick installation, and comprehensive 8-stage filtration that targets harmful contaminants like PFAS and heavy metals.
Everyday users commonly praise the ease of installation and report significant improvements in water taste, with some finding the lack of TDS reduction limiting.

