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Price
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Container volume
80 ml
4,600 ml
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Number of backlight coloors
1
14
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(24)
(22)
(13)
(2)
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Plug-in Diffusers reviews and tests

Alza Test Ranks Plug-in Diffusers Based on User Reviews and Other Data

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Plug-in Diffusers – Test Results

The result for plug-in diffusers at several price levels is:

What is the Alza Test?

Hundreds of categories, thousands of products, millions of details and user reviews for plug-in diffusers. How can you make sense of all of this? Try our Alza Test, which guarantees an objective selection based on customers' experiences. How the products from plug-in diffusers rank are based solely on various data and feedback from actual people who have purchased the products.

61 Results
4.5 87×
Siguro AD-E211DW Marsh Fritillary
Aroma Diffuser - container volume: 300ml, led backlight, intensity settings, humidifier, timer and automatic shutdown, number of colours: 7, operating time: 30 h, recommended room size: 30m2, noise level: 36 dB, colour: white
Great price 15.90 €
Buy
In stock 3 pcs
Order Code: SGR_AD_E211DW
4.5 61×
Siguro AD-C451B Hairstreak
Aroma Diffuser - container volume: 80ml, led backlight, intensity settings, humidifier and automatic shutdown, number of colours: 8, operating time: 9 h, recommended room size: 30m2, noise level: 36 dB, colour: white
Buy with code ALZADAYS20AT The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 20 % Rabatt mit dem Code ALZADAYS20AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 11.92 €
14.90 €
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SGR_AD_D350LW
4.7 22×
Siguro AD-G630P Pylon
Aroma Diffuser - container volume: 100ml, led backlight, humidifier and automatic shutdown, number of colours: 7, operating time: 3 h, recommended room size: 20m2, noise level: 36 dB, colour: pink
Buy with code ALZADAYS50AT The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 50 % Rabatt mit dem Code ALZADAYS50AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 9.50 €
19 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SGR_AD_G630P
4.4 63×
Siguro AD-F401B Grizzled Skipper
Aroma Diffuser - container volume 200 ml, power 12 W, silent operation (<36 dB), časovač, automatické vypnutí, 2 barvy podsvícení (modrá, oranžová) + simulace ohně, možnost provozu bez podsvícení, doporučená velikost místnosti 20 - 40 m2, intenzita zvlhčování 10 - 28 ml/h, doba provozu až 12 h, délka kabelu 150 cm, 3 roky záruka
Great price 28.90 €
Buy
On the way > 5 pcs
Expected 15/05/2026
Order Code: SGR_AD_F401B
4.4 63×
Siguro AD-F400LW Clouded Skipper
Aroma Diffuser - container volume 200 ml, power 12 W, silent operation (<36 dB), časovač, automatické vypnutí, 2 barvy podsvícení (modrá, oranžová) + simulace ohně, možnost provozu bez podsvícení, doporučená velikost místnosti 20 - 40 m2, intenzita zvlhčování 10 - 28 ml/h, doba provozu až 12 h, délka kabelu 150 cm, 3 roky záruka
Great price 28.90 €
Buy
On the way > 5 pcs
Expected 15/05/2026
Order Code: SGR_AD_F400LW
4.4 61×
CONCEPT ZV2021 Perfect Air Smart
Air Humidifier recommended room size: 50m2, ultrasound, power consumption: 110W, humidification capacity: 350ml/hour, water tank capacity: 4,6l, noise level: 35 dB, timer, adjustable steam release level, automatic shutdown, aroma diffuser, power regulation and mobile application, colour: grey
Buy with code ALZADAYS15AT The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 15 % Rabatt mit dem Code ALZADAYS15AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 111.78 €
Amazing Deal 131.50 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: CONZV021
4.4 56×
ETA Aria 4634 90000
Aroma Diffuser - container volume: 600ml, led backlight, humidifier and automatic shutdown, number of colours: 6, recommended room size: 25m2, colour: yellow, red, pink, blue and green
Discounted -24 % 30.90 € 40.90 €
Buy
In stock 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: ETAAD936
4.3 89×
Siguro AD-E210LW Lulworth Skipper
Aroma Diffuser - container volume: 300ml, led backlight, intensity settings, humidifier, timer and automatic shutdown, number of colours: 7, operating time: 30 h, recommended room size: 30m2, noise level: 36 dB, colour: white
Great price 15.90 €
Buy
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SGR_AD_E210LW
4.3 71×
CONCEPT ZV1210 Perfect Air black
Air Humidifier recommended room size: 30m2, ultrasound, power consumption: 30W, humidification capacity: 260ml/hour, water tank capacity: 4l, noise level: 35 dB, backlight, automatic shutdown and aroma diffuser, colour: black and brown
Buy with code ALZADAYS15AT The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 15 % Rabatt mit dem Code ALZADAYS15AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 32.73 €
38.50 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: CONZV014
4.3 71×
CONCEPT ZV1200 Perfect Air white
Air Humidifier recommended room size: 30m2, ultrasound, power consumption: 30W, humidification capacity: 260ml/hour, water tank capacity: 4l, noise level: 35 dB, aroma diffuser, colour: white and brown
Buy with code ALZADAYS15AT The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 15 % Rabatt mit dem Code ALZADAYS15AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 38.17 €
44.90 €
Buy
In stock > 5 pcs
Order Code: CONZV007
4.6 14×
Concept DF1011 Perfect Air Berry
Aroma Diffuser - container volume: 250ml, humidifier, timer and automatic shutdown, number of colours: 7, operating time: 9 h, recommended room size: 50m2, noise level: 36 dB, colour: purple
Buy with code ALZADAYS15AT The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 15 % Rabatt mit dem Code ALZADAYS15AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 20.40 €
24 €
Buy
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: CONadf63
4.3 66×
CONCEPT ZV2010 Perfect Air
Air Humidifier recommended room size: 56m2, ultrasound, power consumption: 90W, humidification capacity: 400ml/hour, water tank capacity: 4,5l, noise level: 30 dB, timer, humidity maintenance, automatic shutdown, automatic mode and aroma diffuser, colour: white
Buy with code ALZADAYS15AT The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 15 % Rabatt mit dem Code ALZADAYS15AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 87.47 €
102.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: CONZV764
4.9
Siguro AD-R650DW Aroma Glow WiFi
Aroma Diffuser - container volume: 400ml, led backlight, intensity settings, humidifier, timer and automatic shutdown, number of colours: 7, operating time: 10 h, recommended room size: 40m2, noise level: 36 dB, colour: brown
Buy with code ALZADAYS20AT The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 20 % Rabatt mit dem Code ALZADAYS20AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 26.80 €
Great price 33.50 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SGR_AD_R650DW
4.9
Siguro AD-R650LW Aroma Glow WiFi
Aroma Diffuser - container volume: 400ml, led backlight, intensity settings, humidifier, timer and automatic shutdown, number of colours: 7, operating time: 10 h, recommended room size: 40m2, noise level: 36 dB, colour: brown
Great price 36.90 €
Buy
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SGR_AD_R650LW
4.2 114×
Concept ZV1010 Perfect Air
Aroma Diffuser - container volume: 1200ml, led backlight and automatic shutdown, number of colours: 7, operating time: 60 hr(s), recommended room size: 20m2, noise level: 30 dB, colour: white
39.90 €
Buy
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: CONZV477
4.6 13×
Airbi SONIC - light wood
Aroma Diffuser - container volume: 300ml, led backlight, intensity settings, humidifier, timer and automatic shutdown, number of colours: 7, operating time: 36 h, recommended room size: 20m2, noise level: 35 dB, colour: brown
59.90 €
Buy
In stock > 5 pcs
Order Code: AIRAD786
4.4 13×
Siguro AD-K355Y Koala's Lullaby
Aroma Diffuser - container volume: 90ml, led backlight, humidifier, automatic shutdown and children's design, number of colours: 1, operating time: 4 h, recommended room size: 30m2, noise level: 36 dB, colour: grey
Great price 26.90 €
Buy
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SGR_AD_K355Y
4.4 13×
Siguro AD-K355O Fox's Lullaby
Aroma Diffuser - container volume: 95ml, led backlight, humidifier, automatic shutdown and children's design, number of colours: 2, operating time: 4 h, recommended room size: 30m2, noise level: 36 dB, colour: orange
Buy with code ALZADAYS30AT The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 30 % Rabatt mit dem Code ALZADAYS30AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 24.36 €
34.80 €
Buy
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SGR_AD_K355O
4.3 19×
Siguro AD-C450W Emperor ceramic
Aroma Diffuser - ceramic body, container volume 200 ml, power 9 W, silent operation (<36 dB), časovač, automatické vypnutí, 7 barev podsvícení, doporučená velikost místnosti 10 - 20 m², intenzita zvlhčování 7 - 20 ml/h, doba provozu až 16 h, délka kabelu 150 cm, 3 roky záruka
Buy with code ALZADAYS20AT The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 20 % Rabatt mit dem Code ALZADAYS20AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 15.76 €
Great price 19.70 €
Buy
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SGR_AD_C450W
4.3 19×
Siguro AD-C451B Monarch ceramic
Aroma Diffuser - ceramic body, container volume 200 ml, power 9 W, silent operation (<36 dB), časovač, automatické vypnutí, 7 barev podsvícení, doporučená velikost místnosti 10 - 20 m², intenzita zvlhčování 7 - 20 ml/h, doba provozu až 16 h, délka kabelu 150 cm, 3 roky záruka
Buy with code ALZADAYS50AT The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 50 % Rabatt mit dem Code ALZADAYS50AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 12.95 €
25.90 €
Buy
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SGR_AD_C451B
5.0
Siguro AD-C620BW Hygge ceramic
Aroma Diffuser - container volume: 100ml, led backlight, humidifier, timer and automatic shutdown, number of colours: 7, operating time: 5 h, recommended room size: 20m2, noise level: 36 dB, colour: white
Great price 18.90 €
Buy
In stock 3 pcs
Order Code: SGR_AD_C620BW
4.1 81×
Rohnson R-9519 Relax & Aroma 2in1
Air Humidifier recommended room size: 10m2, ultrasound, power consumption: 7W, humidification capacity: 10ml/hour, water tank capacity: 0,45l, noise level: 30 dB, backlight, automatic shutdown, aroma diffuser and silent mode, colour: white
Buy with code ALZADAYS20AT The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 20 % Rabatt mit dem Code ALZADAYS20AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 36.72 €
45.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: ROHzv94
5.0
BEURER LA 40
Aroma Diffuser - container volume: 180ml, led backlight, intensity settings and automatic shutdown, number of colours: 6, operating time: 18 h, recommended room size: 20m2, noise level: 30 dB, colour: white
42.90 €
Buy
In stock 1 pcs
Order Code: BEUAD268
4.1 11×
Concept DF2011 Perfect Air Dark wood
Aroma Diffuser - container volume: 300ml, humidifier, timer and automatic shutdown, number of colours: 7, operating time: 10 h, recommended room size: 50m2, noise level: 25 dB, colour: white and brown
28.90 €
Buy
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: CONadf18
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