Wellisair Air Disinfection Device (Wadu-02) - Wellis

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Air purification or disinfection device by Wellis is based on hydroxyl technology and purifies not only air but surfaces too. It has a power...
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Wellis presents Air purification or disinfection device which not only purifies the air but surfaces too. It is the only device that works with people present in the room. It is a highly versatile and ambient product and can be used across hospitals, schools, retail stores, corporate offices and homes. When used in an enclosed area, it reaches all open spaces. It is extremely safe to use and emits no harmful UV radiation. It helps disinfect the room and eliminates bacteria, virus, fungi, micro fine dust and VOCs, and deodorizes the room. It has a compact and ergonomic design which beautifully fits the room. It isn’t a noisy device and produces noise less than 30 db. Wellisair is equipped with a touch screen display and indicators, making it easy and effective to use. It has two control buttons, one is the ON/OFF button to start or stop the unit and the other is Night mode, which reduces the fan speed and turns off the air quality LED indicator light while the unit is on. The device abolishes bad smell and leaves your surroundings odourless. It reduces PM1, PM5 and PM10 particles from the air and reduces potential allergens.


There are two installation options: Using a freestanding base or a wall bracket.

  • Freestanding base: Simply position Wellisair onto the base (no need to fix the unit to the base)
  • Wall bracket: Fix the bracket to the wall using the 4 fixing points (all fasteners are included) and scale the unit onto the secured bracket

It is recommended to position the unit at a height of 1.5 metres (150 cm) approx. Also, maintain a minimum distance of 60 cm from any other wall or ceiling.

It is preferable to position your unit in a ventilated room for its maximum purifying power.


Following are the steps:

  • Turn off the unit and take it down from the wall (if using the bracket)
  • Unplug the unit
  • Open the panel at the back where the cartridge is located and remove the empty cartridge
  • Unwrap the new cartridge, remove the disk sealant and place the wick inside the cartridge
  • Now, insert the new cartridge, being careful and avoid spilling inside the Wellisair unit
  • Close the back panel, plug the unit back in and place it in its original location
  • Cover the empty cartridge with the cap and disk sealant from the new cartridge
  • Take the sealed cartridge to an authorised waste disposal centre


  • Efficiently consumes 300mA at 12V (3.6W per hour)
  • Works at a temperature range of -5°C and 40°C
  • Systematically eliminates up to 99.9% bacteria and viruses from the air and surface
  • Reduces PM1, PM5 and PM10 particles from air
  • Minimizes Volatile Organic Compounds (VOCs)
  • Emits no harmful UV radiation
  • Reaches all open spaces in an enclosed area
  • Based on hydroxyl radicals (OH) technology

Product Specifications

Brand Wellis
Power 300mA at 12V OR 3.6 Watt/h (Consumption)
Dimensions 22 x 15 x 37 cm
Warranty 12 months from the date of Invoice. Please contact brand for support.
Return Policy Non Returnable
Product Weight 1.9 kg
Color White

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1. How does Wellisair work?

Wellisair is equipped with a touch screen display and indicators, making it easy and effective for use. It also detects the unit's current condition. There are two control buttons for using this unit:

ON/OFF: Touch to start or stop the unit

Night mode: This function will reduce the fan speed and turn-off the air quality LED indicator light while the unit is still ON

2. What maintenance does Wellisair require?

There are just two simple maintenance tasks that need to be carried out regularly:

  • The liquid cartridge requires a replacement every 3 months even if the liquid has not run out (it is over-sized, so it never runs out), or when instructed by the unit.
  • The filter needs to be shaken clean once a month. It is located on the right-hand side of the unit (while looking at the display panel).

3. What should I do if the warning indicator light has come on?

If the warning light is displaying, this can indicate two problems:

  • The cartridge is finished and needs to be replaced with a new one.
  • The new cartridge has not been inserted correctly, which means you should turn off the power and reposition the cartridge.

4. Can Wellisair be connected to a 12V power outlet, like those used for cars?

Yes, this is possible, if you have an outlet that uses a standard power cable and connector jack which perfectly fits the unit's own connector.

5. How much space can Wellisair purify and disinfect?

Wellisair can purify an area of around 60 square metre (or 300 cubic metre), providing enough air circulation to allow the hydroxyl radicals to reach all corner areas of the room it has been installed in.

However, Wellisair works by generating a chain of effects to purify and amplify the total area being disinfected, increasing the total magnitude of the area to be cleansed.

6. Given that Hydroxyl Radicals work using a chain reaction, if we switch off the unit after it has been left running for a while, will this chain reaction continue to clean the air and surfaces?

No, the chain of reaction won't last very long after the unit has been turned off. The average lifespan of a Hydroxyl Radical is 100 picoseconds. You need to maintain the reaction from the very beginning, as it gradually declines due to the inactivation of the pathogens themselves until there are none left.

7. How does Wellisair eliminate viruses and bacteria?

Wellisair comes with an Advanced Oxidation Process (AOP) based on Reactive Oxygen and Nitrogen Species (RONS) technology, more specifically the Hydroxyl Radicals (OH-). These reagents oxidize the membranes of viruses and bacteria, producing a chain effect that accelerates the death of viruses and bacteria. Additionally, once the membrane has been penetrated, it oxidizes the genetic information of these microorganisms, which at the end makes them inactive.

There are only three bacteria that have an antioxidant system, although it's not sufficiently powerful to fight against the Wellisair advanced oxidation effect. Therefore, these bacteria will also be neutralised.

8. How does it eliminate odours?

The odours we can smell are called Volatile Organic Compounds (VOCs), these are released in gaseous form in the air upon changing state from a liquid or a solid. Wellisair technology cleanly breaks down into completely odourless elements.

9. Is it ok for a person to be around a unit in operation 24-hours a day?

Yes, it has no harmful effect on people. The human body possesses a triple antioxidant protective system.

10. If someone suffers from an immunodeficiency disorder which affects their immune system, could Wellisair be harmful to that person?

No, quite the opposite, as it would help them keep the air free from pathogens which could inflame their condition.

From the Manufacturer

MAPS Pvt. Ltd. understands the vital importance of having a safer environment that enables one to live a secure life. With this comes the responsibility to address the question of pure air and hence, MAPS has tied up with South Korea’s Wellis Air to bring home the excellent quality indoor air which works at organizational as well as residential level.

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