96.6
Best for long distance thru-hikers and weight-conscious backpackers
- Removes 99.999999% of bacteria
- Filters up to 100,000 gallons
- Fits standard soda and water bottles
$46
Head to head · Water Filtration
TSU 0.01 Micron Ultra Filtration Under Sink vs UC-200 Under Sink Water Filter
Ravvy scores TSU 0.01 Micron Ultra Filtration Under Sink at 89.49 and UC-200 Under Sink Water Filter at 93.47. UC-200 Under Sink Water Filter takes the overall pick, best for homeowners seeking a low-maintenance, high-volume filtration solution without drilling new holes.
89.5
$133
A top-tier choice for those who want ultra-fine filtration and a smart reminder system, provided they are comfortable drilling a dedicated faucet hole.
Ravvy pick
93.5
$121
Buy this if you want set-and-forget chlorine and lead reduction for years, provided you understand it does not lower TDS readings like a reverse osmosis system.
How they score
| Factor | TSU 0.01 Micron Ultra Filtration Under Sink | UC-200 Under Sink Water Filter |
|---|---|---|
| Ease of Install | 82 | – |
| Filtration Depth | 95 | – |
| Flow Performance | 85 | – |
| Maintenance Ease | 88 | – |
| Water Efficiency | 100 | – |
| Longevity | – | 99 |
| Value for Money | – | 98.5 |
| Water Flow Rate | – | 92 |
| Filtration Power | – | 88.5 |
| Installation Ease | – | 96 |
TSU 0.01 Micron Ultra Filtration Under Sink
What owners praise
- Ultra-fine 0.01 micron filtration stage
- Zero wastewater production for eco-friendly use
- Smart LED lifespan reminders for each filter
- Space-saving design fits narrow cabinets
- Retains healthy minerals like calcium and magnesium
What to know first
- Requires drilling a hole in the countertop
- Does not reduce Total Dissolved Solids (TDS)
- PP filter requires frequent 6-month changes
Skip it if households with high tds levels or those requiring well water treatment
UC-200 Under Sink Water Filter
What owners praise
- Unmatched 5-year or 50,000-gallon lifespan
- No dedicated faucet or countertop drilling required
- Bacteriostatic media prevents internal mold growth
- Retains healthy alkaline minerals
- Direct connect design maintains high water pressure
What to know first
- Does not reduce Total Dissolved Solids (TDS)
- Not compatible with pull-out or sprayer faucets in some configurations
- Large physical footprint compared to 6-month inline filters
Skip it if households looking to reduce total dissolved solids (tds) or those with extremely hard water
Specs side by side
| Spec | TSU 0.01 Micron Ultra Filtration Under Sink | UC-200 Under Sink Water Filter |
|---|---|---|
| UPC | 840814171752 840814174432 840814187517 | 804087020247 |
| ASIN | B086YH42QP | B000923524 |
| GTIN | 840814171752 840814174432 840814187517 | 804087020247 |
| Brand | Waterdrop | CuZn |
| Capacity | 2200 gallons | – |
| Material | NSF/ANSI Approved Components | NSF Approved Material Components |
| Brand Name | Waterdrop | CuZn |
| Model Name | waterdrop_wd_tsu_w | – |
| Unit Count | 1 Count | 1 Count |
| Item Weight | 14 pounds | – |
| Part Number | WD-TSU-W | – |
| Manufacturer | Waterdrop | CuZn Water Systems |
Other options in this category
93.7
Membrane Solutions
Personal Water Filter Straw S1 4 Pack Blue
Best for backcountry hikers, international travelers, and disaster preparedness kits
- 0.1 Micron Ultrafiltration
- 5,000 Liter Capacity
- NSF 42, 372, and 401 Certified
$30
93.6
Best for health-conscious families and diy homeowners who dislike the taste of flat ro water
- Alkaline Remineralization Stage
- 75 Gallon Per Day Capacity
- Transparent Sediment Filter Housing
$235