Karofi hot and cold water purifier KAD-N91

  • Pioneer in VoiceCall technology - Controlling by user’s voice easily
  • Quick heating without limited capacity
  • Cooling by compressor technology
  • AIO TECH - remote controlling
  • Powerful 10-stage Smax filtration system
  • Modern outlook with mint green and borderless glass cabinet
  • 3-year warranty - the longest support

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Karofi KAD-N91 - Top smart technology

KAD-N91 is not only an expert in purification for output as bottled water, but also a world of wonderful experience in top smart technology.

The first time to make an order to the water purifier by your voice through a smart screen and more interesting experience.


VoiceCall technology - monitoring by voice easily

Hi Karofi! No hand for turning the faucet or touching screen to get water, just say “Hi Karofi” - water will come with options from smart guides on the screen. VoiceCall technology will help users to monitor the water purifier by their voice. Obstacle sensor is always active to identify the user with more than 1m height which is safe to protect children from danger. 


Innovative Led screen with full information

Maximum cooling by compressor - Immediate

Cooling by compressor technology brings cold water as cooling by the refrigrator. 2 liter cooling tank is always available to break any thirsty feeling.


Smart AIO TEC - Remote monitor for complete assurance

The life will be simplified with smart technology AIo Tec integrated in the model Karofi KAD-N91. Just download the application Karofi 365, you can remotely supervise your water quality, warning of filter replacement, activate warranty, quickly call the service center, and so on anywhere or anytime.

Powerful 10 filter system

10 powerful SMAX filters for outstanding performance: Double power, double lifetime. - Smax Pro set: doubles the filtration efficiency, triples the purification area to help improve the efficiency of removing impurities, dirt and prolong the filter lifetime. - US RO membrane: Removes almost impurities and residues, providing absolutely pure water. - High-efficiency Smax set: Regenerating pure water, adding minerals. Especially, the Bioceramic filter enhances beneficial electrolytes, and also makes the water taste better and sweeter.


Breakthrough design - The best choice for any houses

With a breakthrough from youthful and trendy color of mint green combined with luxurious overflow tempered glass,this model will help you create an interesting point in any home space.


Power outage brings no water-loss worry

Karofi KAD-N91 is ready to supply water even in the event of a power outage with its design of a lock valve and a backup tank, completely eliminating the worry of power failure.


The filtered water meets the standard of botted water QCVN 6-1:2010 BYT

The filtered water meets the standard of bottled water QCVN 6-1:2010 BYT recognized by the Institute of Occupational Health & Environment - Ministry of Health according to the WHO process. Source: https://chungnhankarofi.nioeh.org.vn/


3 year warranty - the longest time in the market

Karofi commits to bringing the best experience to customers with Dedication - Professionalism - Expert.



Fuction of filters in Karofi hot/cold water purifier KAD-N91

1.1. RO purification system includes 3 main parts:

  • Pre-filter: Smax Pro technology
  • RO membrane: Smax RO technology
  • Functional filters: Smax Nano technology

1.2. Structure of Smax Pro technology

  • Smax Pro 1 filter - tribles purification area, increasing efficiency by 1.5 times
  • Smax Pro 2 filter - Special 2 layer structure doubles filtration efficiency
  • Smax Pro 3 filter - raises impurity removal by 1.5 times and doubles the lifetime compared to normal filters.

1.3. Smax RO filtration technology

The Smax RO Purifim membrane is the heart of the water purifier which removes more than 99% of chlorine, oil, viruses, bacteria, amoeba, arsenic, metal ions and harmful substances in water.

1.4. Smax Nano filtration technology

  • T33-GAC filter: Eliminating smell, organic substances ... outstandingly and stabilizing natural sweetness of water
  • Mineral filter: Adding minerals and raising pH, neutralizing residual acids
  • NanoSilver Plus filter: Killing bacteria, preventing re-infection after water passes through RO membrane.
  • Tourmaline filter: Creating negative ions which is beneficial to the body and activating water for easy absorption by the body.
  • ORP Alkaline filter: Upgrading pH, creating alkaline water, anti-aging, good for health
  • Hydrogen Plus

How often do you need to change filters?

Life-time of filter depends on quality of water resources in each region and usage capacity

  • Smax Duo filter: 12 months is recommended
  • Smax RO membrane: 36 months is recommended
  • Smax Nano: 12 months is recommended
  • High-efficiency Smax, 12 months is recommended as max



Standing cabinet


Cooling technology:





Heating capacity:

2100 W

Cooling capacity:

90 W

Hot water tanks:


Cold water tank:

2 L


Purifim 100 GPD

Filtration capacity

20 L/h

Storage tank

5 L

Solenoid valve




Filtration system

10 lõi lọc

Functional filter

Set of Smax high efficiency HP 6.2: Mineral, T33-GAC, ORP Alkaline, Tourmaline, Hydrogen Plus, Nano Silver Plus

Pure water recovery rate

60% as maximum



Pre-treatment filter

3 pre-filters : Smax pro 1, Smax Pro 2, Smax Pro 3



320 x 400 x 1027 mm


33 kg


mint green

Other features



TCVN 11978:2017



Smart technology Aiotec, Voicecall

QCVN 4:2009/BKHCN và sửa đổi 1:2016 QCVN 4:2009/BKHCN




36 months




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