Portable diffuser with dual power
FLEX DUO 50

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FLEX DUO 50 works where there is no socket. USB-C or two D batteries, so a stand, a pop-up shop or a hall booked for one day is no obstacle.
up to ≈ 50 m²
Coverage
≈ 150 m³
Volume
up to 3 m
Ceilings
up to 100 ml
Reservoir
FLEX DUO 50, cold mist, live
| Device type | Portable aroma diffuser |
|---|---|
| Technology | Two-fluid nebulisation (cold mist) |
| Mode 1, mains | USB-C cable (included) |
| Mode 2, battery | 2 × D / LR20 cells (not included) |
| Reservoir | up to 100 ml |
| Colours | White and black with a rose gold frame |
| Coverage | up to ≈ 50 m² / ≈ 150 m³ |
99.00 €129.00 €incl. VAT
A one-off payment. The unit becomes yours, with no subscription and no tie-in period.
- The diffuser is yours, no subscription
- One fragrance of your choice is included
- 27 fragrances in seven olfactory families
- A fragrance swap within 14 days of delivery, by phone
Choose your scentFrom our fragrance list
Every fragrance is 100 ml and costs24.90 €free with the unit
One 100 ml bottle lasts 20 to 30 days at about 12 hours a day · between 0.83 and 1.25 € a day.
Fragrances with this order
The first fragrance is free and included in the price. Every added one is 100 ml and discounted · the next one:24.90 €21.16 €
Choose your free fragrance first.
You have not chosen a fragrance
The fragrance is free and included in the price. Choose one from the list and we load it when we start the system.
Just your name and phone · we call you back
Free delivery with Econt or Speedy · 14-day right of withdrawal
More units in one order · up to 15% off
- Units worth 175.00 € → −5% off the units
- Units worth 350.00 € → −10% off the units
- Units worth 500.00 € → −15% off the units
The same system also works in a business venue, on different terms. See “For business” →
- The diffuser is yours, no subscription
- The fragrance you choose is free
- 27 fragrances across seven olfactory families
- The fragrance is yours to choose
Comparison · three scenting technologies
Choose how to scent a room
A side-by-side look at the three ways to scent a home: reed sticks, a nebulising system and an ultrasonic diffuser.
Our technology
KAYA LUX
Scent intensity
KAYA LUX:high, precisely controllable
Traditional diffusers: low, fades quickly
Ultrasonic: medium, diluted by water
Technology
KAYA LUX:two-fluid nebulisation, cold mist
Traditional diffusers: passive diffusion
Ultrasonic: ultrasonic, requires water
Timer and modes
KAYA LUX:a range of modes and a timer
Traditional diffusers: none
Ultrasonic: limited modes
Residue on surfaces
KAYA LUX:none
Traditional diffusers: oil marks around the bottle
Ultrasonic: a damp film on surfaces
Running needs
KAYA LUX:low, energy-efficient
Traditional diffusers: no power, yet frequent replacement
Ultrasonic: medium, needs water and power
Water in the tank
KAYA LUX:none
Traditional diffusers: no tank, the oil evaporates
Ultrasonic: topped up regularly
Why FLEX DUO 50
Runs on mains power or two D batteries
One button switches between them
In white and black, with a rose-gold frame
Suitable venues
Questions about this system
FLEX DUO 50 covers up to ≈ 50 m² with ceilings up to 3 m. The stated ≈ 150 m³ is a separate upper limit of the system itself: whichever of the three is reached first decides, which is why a tall room runs out of volume before it runs out of floor area.




