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Aquaporin Inside®

The perfect under the sink water purifier for your home

Get safe and tasty drinking water directly from your faucet

For those who like to drink great tasting water, for those who appreciate simplicity, for those who are tired of carrying plastic bottles from the supermarket, and for those who want tap water without pesticides, viruses and bacteria.

Simply for those who want their tap water to be the very best it can be. Here is ONE water purifier, ready to provide you with great tasting water.

Compact size

ONE - a water purifier in a league of its own

ONE is an under the sink purifier in its own league. Aquaporin Inside® and an efficient system design ensures a high-flow technology and a high water recovery level at 65%. 

High water recovery equals less waste, and the high water flow gives you 1.75 liters of purified water per minute – even in low pressure conditions.

A water purifier out of the ordinary

Focus on the user experience

With ONE we have focused on the user experience, which is characterized by a constant high performance and easy maintenance.

The water purifier has a booster pump that stabilizes the inlet water pressure to ensure you get a constant water flow out of your faucet.

The only maintenance required is filter exchange (one DWRO filter and one PCB filter). ONE’s front panel will indicate when the filters need replacement.

Simple and beautiful design

ONE's slim and beautiful design has an aesthetic impact on your kitchen rather than being a unit you want to hide. When you open your kitchen drawer or closet, you will see a water purifier that complements your kitchen.

Danish technology build on nature

Powered by Aquaporin Inside

Inside ONE you will find the unique Aquaporin Inside® technology. The technology is developed using aquaporins, the proteins responsible for transporting and purifying water in all living cells. Billions of years of evolution have made aquaporins super-efficient and super-selective, far better than any man-made water filter.

When tap water flows through the Aquaporin Inside® membrane inside ONE, the natural aquaporin proteins act like a super-highway for water.

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The natural feeling

Nature affects us all. When you go for a walk in the forest, you feel the tranquility and breathe in the fresh air. With nature’s own water filter, Aquaporin Inside®, you will experience the same feeling when drinking tap water purified by ONE.

When the tap water runs through the Aquaporin Inside® Drinking Water Reverse Osmosis filter, all unwanted compounds such as bacteria, viruses and pesticides are removed from your water, leaving you with safe, great tasting tap water that gives you a natural feeling.

Safe and great tasting water directly from your tap

Danish technology

Removal of pesticides, viruses and bacteria

Soft and lime-free water

Clean and great tasting drinking water

Enhanced tea and coffee taste

One product brochure

Get the full story of ONE and how it can provide safe drinking water directly from the tap.


Where to buy ONE


ONE powered by Aquaporin Inside® is sold via resellers, you can see the list on the right. 

Macedonia, Serbia, Croatia, Slovenia, Austria, Romania, Bulgaria and Hungary
EcoTip doo
Diamond Drops - by Resource Environmental Engineering Pvt Ltd
Nordic Foreign Trade Limited

Q&A about ONE


We have gathered a list of questions that you might find relevant before buying your ONE powered by Aquaporin Inside®.

Why should I buy ONE?

ONE is for those who like to drink great tasting water, for those who appreciate simplicity, for those who are tired of carrying plastic bottles from the supermarket, and for those who want softened tap water free from pesticides, viruses and bacteria. Simply for those who want their tap water to be the very best it can be.

How many liters can ONE produce in 1 minute?

With ONE you will have 1.75 liters of water in 1 minute – a constant performance due to the booster pump.

Can I install ONE myself?

Yes, you can install ONE yourself. On this page you can find a detailed installation guide.

Is maintenance required?

You will only need to replace the two cartridges (DWRO and PCB). There is an indicator on the front panel which will indicate when they need replacement. The cartridges have quick connection valves to ensure easy replacement without the need for tools. You can easily change them yourself.

How does ONE work?

ONE is a slim and compact water purifier to go under the sink. Connect ONE to power supply, and the incorporated booster pump will be utilized, pumping regular tap water into ONE. Inside ONE, the water flows through a PCB filter to remove smaller molecules such as chlorine, organic compounds and heavy metals. Next, the water enters the Aquaporin Inside® DWRO membrane which includes nature’s own water purifiers, aquaporin proteins. In this way, all unwanted compounds are removed from your water. Once you open your faucet, you will have a constant flow of purified, safe and tasty tap water.

How to install ONE

Installation & user manual

viEW manual 

Cartridge replacement guide

View guide

Join the journey: become an aquaporin premium reseller

Differentiate yourself on the household water purifier market by becoming one of a selected few Aquaporin Premium Resellers.

With our unique technology Aquaporin Inside® embedded in our household water purifiers, you have the possibility to add a unique product to your portfolio. We partner up with Premium Resellers around the globe to bring our products to market. We value our partnerships and offer our Premium Resellers an exclusive opportunity to resell our Aquaporin Inside® products.

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Do you have more questions?

If you have any unanswered questions concerning the ONE purifier, please fill out the form to the right, and we will get back to you shortly.
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