Name: Waterdrop TST-UF
Brand: Waterdrop
SKU: B0962M2QZM
Price: 149.99 USD
Availability: InStock
Rating: 4.5 (631 reviews)

Expert Review Analysis

The Waterdrop TST-UF is a 3-stage under-sink ultrafiltration water filter featuring a lead-free 304 stainless steel housing and a 0.01μm membrane designed to remove contaminants while retaining beneficial minerals. It offers a high flow rate of 1.59 GPM and requires no electricity, making it a durable and efficient solution for municipal tap water purification.

✓ Best for: Households seeking comprehensive water purification with dedicated under-sink installation. Users concerned about PFAS, heavy metals, and chlorine given its NSF certification. Kitchens with sufficient under-sink space to accommodate the system's large dimensions. Those prioritizing durability who prefer stainless steel housing over plastic alternatives. Environments with municipal tap water supply requiring high-precision filtration✗ Not ideal for: Users with well water sources as the system requires municipal tap water. Kitchens with limited under-sink space due to the unit's large physical footprint. Environments where water pressure falls below 15 psi or exceeds 87 psi. Areas where water temperature regularly drops below 40°F or rises above 100°F

Pros

✓0.01μm ultrafiltration membrane removes contaminants larger than 0.01 microns including bacteria and heavy metals
✓

Best Seller Rank History

Now#50Best#24Worst#1,199 +26

Lower = better sales rank

Specifications

Design

Dimensions12.99 x 4.92 x 14.49 inches

Weight12.32–13.2 pounds

Housing Material304 food-grade stainless steel (lead-free)

Installation TypeWall-mounted or floor-standing

Features

Filter Lifespan PP Cotton6–8 months

Filter Lifespan Ultrafiltration Membrane12 months

Filter Lifespan Activated Carbon Block12–24 months

Filtration LayersNon-woven fabric, PP cotton, activated carbon block, ultrafiltration membrane

Smart IndicatorYes

General

BrandWaterdrop

ModelWD-TST

Warranty1 Year

CertificationsNSF/ANSI 372

Feed Water RequirementMunicipal tap water

Performance

Filtration Accuracy0.01 μm

Filtration Stages3 stages (6 layers total)

Flow Rate1.59 GPM

Operating Pressure15–87 psi (0.1–0.6 MPa)

Operating Temperature40–100°F (5–38°C)

Filtration

Filtration Layers6 layers total across 3 stages

Maintenance

Activated Carbon Block Lifespan12–24 months

Ultrafiltration Membrane Lifespan12 months

Research Sources

jlr.portal.covisint.com

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Waterdrop TST-UF

Expert Review Analysis

Best Seller Rank History

Specifications

Design

Features

General

Performance

Filtration

Maintenance

Research Sources

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