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
TSA 8 Layer Under Sink Water Filter System vs TSU 0.01 Micron Ultra Filtration Under Sink
Ravvy scores TSA 8 Layer Under Sink Water Filter System at 89.45 and TSU 0.01 Micron Ultra Filtration Under Sink at 89.49. TSU 0.01 Micron Ultra Filtration Under Sink takes the overall pick, best for health-conscious homeowners wanting mineral-rich water without the waste of ro systems.
89.5
$100
A top-tier choice for municipal water users who want easy DIY installation and mineral retention at the cost of a slightly reduced flow rate.
Ravvy pick
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.
How they score
| Factor | TSA 8 Layer Under Sink Water Filter System | TSU 0.01 Micron Ultra Filtration Under Sink |
|---|---|---|
| Filtration Depth | 91 | 95 |
| Flow Consistency | 82.5 | – |
| Maintenance Ease | 94 | 88 |
| Space Efficiency | 88 | – |
| Ease of Installation | 98 | – |
| Ease of Install | – | 82 |
| Flow Performance | – | 85 |
| Water Efficiency | – | 100 |
TSA 8 Layer Under Sink Water Filter System
What owners praise
- Retains healthy minerals like calcium and magnesium
- No-drill installation connects to existing faucet
- Triple-stage design offers specialized fluoride and PFAS reduction
- Pressure-tested housing prevents common under-sink leaks
- Twist-and-lock filter changes take seconds
What to know first
- Does not reduce TDS or water hardness
- Flow rate is slower than unfiltered tap water
- Not compatible with hot water lines
Skip it if well water users without a pre-filter or those needing to reduce total dissolved solids
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
Specs side by side
| Spec | TSA 8 Layer Under Sink Water Filter System | TSU 0.01 Micron Ultra Filtration Under Sink |
|---|---|---|
| UPC | 840814194461 840814194478 | 840814171752 840814174432 840814187517 |
| ASIN | B08P58F9SG | B086YH42QP |
| GTIN | 840814194461 840814194478 | 840814171752 840814174432 840814187517 |
| Brand | Waterdrop | Waterdrop |
| Capacity | 8000 gallons | 2200 gallons |
| Material | NSF/ANSI Approved Components | NSF/ANSI Approved Components |
| Brand Name | Waterdrop | Waterdrop |
| Model Name | WD-TSA-10 | waterdrop_wd_tsu_w |
| Unit Count | 1 Count | 1 Count |
| Part Number | 1 | WD-TSU-W |
| Manufacturer | Waterdrop | Waterdrop |
| Model Number | WD-TSA | WD-TSU |
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