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Catalogue
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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Colour
(23)
(21)
(12)
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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.

59 Results
4.8 225×
Siguro AD-G420LW Brimstone
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: 35 dB, colour: brown
Great price 32.90 €
Buy
In stock > 5 pcs
Order Code: SGR_AD_G420LW
4.8 225×
Siguro AD-G421DW Lorquin's Admiral
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: 35 dB, colour: brown
Buy with code ALZADAYS20DE 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 ALZADAYS20DE. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 24.80 €
Great price 31 €
Buy
In stock > 5 pcs
Order Code: SGR_AD_G421DW
4.8 337×
Siguro AD-G401DW Bordered Patch
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: 35 dB, colour: brown
Great price 32.90 €
Buy
In stock > 5 pcs
Order Code: SGR_AD_G401DW
4.8 337×
Siguro AD-G400LW Silvery Blue
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: 35 dB, colour: brown
Great price 32.90 €
Buy
On the way > 5 pcs
Expected 15/05/2026
Order Code: SGR_AD_G400LW
4.8 209×
Siguro AD-G411DW California Crescent
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: 35 dB, colour: brown
Great price 32.90 €
Buy
In stock > 5 pcs
Order Code: SGR_AD_G411DW
4.8 209×
Siguro AD-G410LW Comma
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: 35 dB, colour: brown
Great price 32.90 €
Buy
In stock > 5 pcs
Order Code: SGR_AD_G410LW
4.7 178×
Siguro AD-R600LW Faun 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: 35 dB, colour: brown
Great price 32.90 €
Currently Unavailable
Order Code: SGR_AD_R600LW
4.9 33×
Siguro AD-V300W Volcano
Aroma Diffuser - container volume 260 ml, power 12 W, quiet operation (<36 dB), časovač, automatické vypnutí, 2 režimy páry (kouřový prstenec a běžný režim), vizuální efekt sopky, variabilní podsvícení se 2 barvami (modrá, oranžová), možnost provozu bez podsvícení, doporučená velikost místnosti 20 - 40 m2, intenzita zvlhčování až 45 ml/h, doba provozu až 17 h, délka kabelu 150 cm, 3 roky záruka
Great price 28.90 €
Buy
On the way 1 pcs
Expected 15/04/2026
Order Code: SGR_AD_V300W
4.6 202×
Siguro AD-F230LW Sunlight
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: 35 dB, colour: brown
Buy with code ALZADAYS30DE 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 ALZADAYS30DE. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 19.95 €
Great price 28.50 €
Buy
In stock > 5 pcs
Order Code: SGR_AD_F230LW
4.6 202×
Siguro AD-F232SW Chequered Skipper
Aroma Diffuser - 400ml container volume, 12W power, timer, quiet operation (<35dB), automatic shutdown, 7 backlight colours, recommended for rooms from 20-40m², operating time up to 10hrs, 180cm cable, 3-year warranty
Great price 32.90 €
Buy
On the way > 5 pcs
Expected 15/05/2026
Order Code: SGR_AD_F232SW
4.6 202×
Siguro AD-F231DW Sundown
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: 35 dB, colour: brown
Great price 28.90 €
Buy
On the way > 5 pcs
Expected 16/04/2026
Order Code: SGR_AD_F231DW
5.0 21×
TrueLife AIR Diffuser D6
Aroma Diffuser - container volume: 400ml, led backlight, automatic shutdown and smart (app), number of colours: 7, operating time: 23 h, colour: black
Buy with code ALZADAYS20DE 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 ALZADAYS20DE. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 38.32 €
Great price 47.90 €
Buy
In stock > 5 pcs
Order Code: TRUaro754
4.6 279×
TrueLife AIR Diffuser D9 Smart
Aroma Diffuser - container volume: 400ml, led backlight, timer and automatic shutdown, number of colours: 14, operating time: 10 h, recommended room size: 35m2, colour: brown
Buy with code ALZADAYS20DE 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 ALZADAYS20DE. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 38.32 €
47.90 €
Buy
In stock > 5 pcs
Order Code: TRLAD956
4.6 279×
TrueLife AIR Diffuser D5 Light
Aroma Diffuser - container volume: 300ml, led backlight, intensity settings and automatic shutdown, number of colours: 14, operating time: 10 h, recommended room size: 30m2, colour: brown
Buy with code ALZADAYS20DE 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 ALZADAYS20DE. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 23.92 €
Amazing Deal 29.90 €
Buy
In stock > 5 pcs
Order Code: TRLAD925
4.6 279×
TrueLife AIR Diffuser D3 Light
Aroma Diffuser - container volume: 120ml, led backlight and automatic shutdown, number of colours: 7, operating time: 5 h, recommended room size: 25m2, colour: brown
Buy with code ALZADAYS20DE 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 ALZADAYS20DE. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 17.76 €
Great price 22.20 €
Buy
In stock > 10 pcs
Order Code: TRLAD918
4.6 279×
TrueLife AIR Diffuser D7 Bamboo
Aroma Diffuser - container volume: 200ml, led backlight and automatic shutdown, number of colours: 14, operating time: 9 h, recommended room size: 25m2, colour: brown
Buy with code ALZADAYS20DE 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 ALZADAYS20DE. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 27.92 €
34.90 €
Buy
On the way 2 pcs
Expected 16/04/2026
Order Code: TRLAD949
4.6 279×
TrueLife AIR Diffuser D5 Dark
Aroma Diffuser - container volume: 300ml, led backlight, timer and automatic shutdown, number of colours: 14, operating time: 10 h, recommended room size: 30m2, colour: white, brown and black
Buy with code ALZADAYS20DE 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 ALZADAYS20DE. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 27.92 €
34.90 €
Currently Unavailable
Order Code: TRLAD932
4.6 79×
Siguro AD-C350CW Swallowtail Ceramic
Aroma Diffuser - 100ml container, 9W power, ceramic body, timer, silent operation (<35dB), automatic shutdown, 7 backlight colours, recommended for rooms from 20-40m², runtime up to 3hrs, 180cm cable, 3-year warranty
Great price 15.90 €
Buy
In stock > 10 pcs
Order Code: SGR_AD_C350CW
4.6 79×
Siguro AD-C351CB Swallowtail Ceramic
Aroma Diffuser container volume 100ml, power 9W, ceramic body, timer, silent operation (<35dB), automatické vypnutí, 7 barev podsvícení, doporučená velikost místnosti 20-40m2, doba provozu až 3h, délka kabelu 180cm, 3-year warranty
Buy with code ALZADAYS30DE 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 ALZADAYS30DE. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 20.79 €
Great price 29.70 €
Buy
In stock > 5 pcs
Order Code: SGR_AD_C351CB
Great price 7.90 €
Buy
In stock > 10 pcs
Order Code: SGR_AD_X003
Great price 7.90 €
Buy
In stock > 10 pcs
Order Code: SGR_AD_X004
4.8 31×
TrueLife AIR Diffuser D4
Aroma Diffuser - container volume: 140ml, led backlight, humidifier and automatic shutdown, number of colours: 7, operating time: 17 h, colour: black
Buy with code ALZADAYS20DE 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 ALZADAYS20DE. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 19.44 €
Amazing Deal 24.30 €
Buy
In stock > 10 pcs
Order Code: TRUaro747
4.5 97×
Siguro AD-F20 Grayling
Aroma Diffuser - container volume: 150ml, led backlight, humidifier and automatic shutdown, number of colours: 7, operating time: 15 h, recommended room size: 30m2, noise level: 36 dB, colour: black
Great price 14.90 €
Buy
On the way 3 pcs
Expected 16/04/2026
Order Code: SGR_AD_F201B
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 > 10 pcs
Order Code: SGR_AD_E211DW
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