Waterdrop TSU 0.01 Micron Under-Sink Water Filter

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Product guide

Waterdrop TSU 0.01 Micron Under-Sink Water Filter

Micron Filter: Waterdrop TSU is an under-sink ultrafiltration system for cold municipal tap water, combining carbon block filtration with a claimed 0.01μm membrane. It does not reduce TDS, so it is not intended for buyers seeking dissolved-solids or limescale removal.

At a glance

Uses carbon block and ultrafiltration, with a claimed 0.01μm membrane.
Designed for cold municipal tap water and retains essential minerals according to the listing.
The listing says it reduces chlorine, PFAS, taste, odour and heavy metals, but does not reduce TDS.
A smart lifespan reminder uses four lights to indicate when filters need changing.
The system is described as tankless and does not require a power source.

Price

£152.99Save 19%

Reference price: ~~£189.99~~

Price checked: 12 Nov 2026

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Often bought together

Waterdrop TSU 0.01 Micron Ultra Filtration Under Sink Water Filter System | Reduces Odor, Not Lower TDS, Tankless System, Sma

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Pros and cons

Pros

A dedicated under-sink setup keeps the filtration unit off the worktop, and customer feedback describes its compact appearance.
Customers report improved taste and straightforward installation, which may suit households wanting filtered water at a separate faucet.
A four-light reminder gives a visible indication for filter changes.

Cons

It does not reduce TDS and is not intended to remove limescale.
The described setup requires cold water and is not suitable for well water or hot water.
Customer feedback reports reduced water flow and pressure.

Technical specifications

15 specifications

Identity
Brand	Waterdrop
Model	waterdrop_wd_tsu_w

Filtration and operation
Purification method	Carbon Block, Ultra Filtration
Filtration rating	0.01μm Ultra-Filtration
Capacity	2200 gallons
Maximum flow rate	1.05 Gallons Per Minute
Power configuration	Manual (Water Pressure)
Installation type	Under Sink
Filter life cycle	24 Months
Temperature range	35 Degrees Fahrenheit
Upper temperature rating	100 Degrees Fahrenheit

Dimensions and materials
Dimensions listed	46.7L x 16.2W x 47.3H centimetres
Weight listed	14 Pounds
Material listed	Carbon Fibre

Additional listing details
Spare part availability duration	2 Years

What to know before buying

Listing details to confirm

The system is specified for cold municipal tap water only. Do not use with hot water or well water. Filter life varies by stage: the listing gives 24 months for the UF filter, 12 months for the CT filter and 6 months for the PP filter. Customer reports of reduced flow or pressure differ from the listing's claim of no pressure drop. The listing also gives a 1.05 Gallons Per Minute maximum flow rate, so expect actual results to depend on conditions.

What’s in the box

Included

Stainless steel faucet (SS304)
1/4 and 3/8-inch tubing
3/8-to-1/2-inch converter

Who is it for?

A good fit for

Households on municipal tap water seeking under-sink filtration for taste and odour concerns.
Buyers who want a separate faucet and a reminder light for filter changes.
People who want filtration without a powered system and do not need TDS reduction.

Less suited to

Homes using well water or anyone needing treatment for hot water.
Buyers seeking TDS or limescale reduction.
Anyone who needs a guaranteed flow rate or pressure outcome.

Waterdrop TSU 0.01 Micron Under-Sink Water Filter · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.5 / 5 · 6,293 ratings

5 stars77%77%
4 stars13%13%
3 stars2%2%
2 stars3%3%
1 star5%5%

Customer feedback highlights improved taste, perceived effectiveness, a neat under-sink fit and straightforward installation. Some buyers report that limescale remains, while others mention reduced flow or pressure. That distinction matters here: the listing says the system does not reduce TDS, and its stated maximum flow rate is not a guarantee of household pressure after installation.

Positive themes

Customers describe improved taste and effective filtration.
Feedback describes installation as straightforward and the unit as compact.

Negative themes

Some customers say it does not remove limescale.
Customers report reduced water flow and pressure.

Mixed feedback

Water quality and size receive mixed feedback.

Frequently asked questions

Does the Waterdrop TSU reduce TDS?

No. The listing explicitly says it does not reduce TDS, so it is not a choice for dissolved-solids reduction.

Can it be used with well water or hot water?

No. The listing specifies cold municipal tap water and says it is unsuitable for well water and hot water.

How often do the filters need replacing?

The listing states 24 months for the UF filter, 12 months for the CT filter and 6 months for the PP filter. Actual replacement timing may depend on use and water conditions.

Does the unit need electricity?

It is listed as operating manually through water pressure, with no power source required.