0.1 micron filtration — 1,000x finer than a standard filter jug
Puure 3.0 Under-Sink Filter Supply
With Puure®, enjoy great-tasting water from your tap. Fits 99% of taps, installs in seconds and reduces 150+ contaminants.
2-Year Warranty
Ships in 4 – 6 Days
The Puure® Hydro 2.0 under-sink cartridge uses an advanced multi-barrier filtration system with 6 engineered layers and 0.1 micron precision — 1,000x finer than a standard filter jug.
It reduces over 70 contaminants including chlorine, PFAS, microplastics, pesticides, heavy metals, residual pharmaceuticals, and excess fluoride — while preserving essential minerals like calcium, magnesium and potassium.
✔ NSF-42/53 certified components
✔ Independently tested by accredited laboratories
✔ Each cartridge lasts ~6 months (~5,000 litres)
It takes about 2 minutes, no tools needed.
Turn off the cold water valve under the sink, unscrew the old cartridge from the housing, screw in the new one, turn the water back on and let it run for 30 seconds. That's it.
Step-by-step instructions included with every cartridge.
This cartridge is designed exclusively for the Puure® Hydro 2.0 Under-Sink System (Classic and Inox models). It is not compatible with the Puure® 3.0 tap-mounted system — those use a different cartridge.
In the press
"Puure® has introduced a new, innovative approach to cleaner drinking water — as households across Europe rethink how they consume and filter water at home."
Jan 2026"An advanced filtration technology designed to tackle PFAS, pesticides and tap water contaminants — reducing over 150 directly at the tap."
Jan 2026"A stainless steel tap-mounted filter designed to replace traditional plastic jugs — pioneering a new standard in home water filtration."
Jan 2026Reduces 70+ contaminants: chlorine, PFAS, microplastics, pesticides, heavy metals
Each cartridge lasts ~6 months (~5,000 litres)
Independently tested by NSF-accredited laboratories
Puure 3.0 Under-Sink Filter Supply
Sale price
£54.90
What's inside our cartridges?
Nature filters water through layers. So do we
6 specialised filtration stages — 0.1 micron precision
Puure® cartridge components are tested and certified by NSF International against NSF/ANSI Standard 42 for material safety. The Puure® Hydro 2.0 cartridge is specifically formulated for the contaminants commonly found in European tap water.
Stage 1
Non-Woven Fiber
Blocks rust, sand and sediment at 0.1 micron — 1,000 times finer than a standard filter jug.
Stage 2
Coconut Shell Carbon
Captures chlorine, pesticides and organic chemicals. No more swimming pool taste or odour.
Stage 3
KDF Media
Traps lead and heavy metals from ageing pipes. Inhibits bacterial growth inside the cartridge.
Stage 4
PFAS Media
Binds forever chemicals on contact — the contaminants most filters can't even touch.
Stage 5
Heavy Metal Media
A second dedicated layer for lead and heavy metals. Double protection for stronger results over time.
Stage 6
Fluoride Media
Reduces fluoride without stripping the good minerals. Clean water that still tastes like water.
Puure Hydro in numbers
Get Cartridges →
0.1μ
Filtration precision — 1,000x finer than a jug
70+
Contaminants reduced
£1,000+
Saved per year vs bottled water*
6 mo
Cartridge lifespan (~5,000L)
*Based on a family of 4 consuming bottled water exclusively
The upgrade your whole family feels.
1
No more chlorine taste — your tea, coffee and cooking water finally taste the way they should.
2
Hidden under the sink — nothing on your tap, nothing on your counter.
3
Peace of mind knowing every glass is filtered — for the whole family.
4
No more carrying, storing or throwing away plastic bottles.
Frequently Asked Questions
How often should I replace my cartridge?
Each Puure® Under-Sink Cartridge lasts approximately 6 months (or ~5,000 litres) for a typical household. With a subscription, your replacement is delivered automatically — so you never run out.
Is this compatible with my Puure® system?
This cartridge is designed exclusively for the Puure® Hydro 2.0 Under-Sink System (Classic and Inox models). It is not compatible with the Puure® 3.0 tap-mounted system.
How do I replace the cartridge?
It takes about 2 minutes, no tools needed. Turn off the cold water valve, unscrew the old cartridge, screw in the new one, turn the water back on and flush for 30 seconds. Instructions included with every cartridge.
What does it filter?
The cartridge reduces over 70 contaminants including chlorine, PFAS (forever chemicals), microplastics, pesticides, heavy metals (lead, mercury, cadmium), residual pharmaceuticals, sediments, excess fluoride and hydrocarbons — while preserving essential minerals.
Can I pause or cancel my subscription?
Yes — anytime, in 1 click from your account. No commitment, no minimum. You can also modify your delivery frequency or skip a delivery.