With the Philips PureProtect Water 3400 Series 2-in-1 AC3420/10, you can clean the air and improve the humidity. That's because the air purifier has a humidification function. It prevents dry skin and irritated airways. The smart sensors measure air quality 1000 times per second. So the air purifier automatically ensures clean air and good humidity. The air purifier cleans rooms up to 60m2. The 3-layer HEPA filter stops 99.97% of the smallest particles. You can connect the device with the Philips Air+ app. Via the app, you can control it remotely and keep an eye on the air quality. In night mode, it only has a 16.5dB noise level.
With the Philips PureProtect Water 3400 Series 2-in-1 AC3420/10, you can clean the air and improve the humidity. That's because the air purifier has a humidification function. It prevents dry skin and irritated airways. The smart sensors measure air quality 1000 times per second. So the air purifier automatically ensures clean air and good humidity. The air purifier cleans rooms up to 60m2. The 3-layer HEPA filter stops 99.97% of the smallest particles. You can connect the device with the Philips Air+ app. Via the app, you can control it remotely and keep an eye on the air quality. In night mode, it only has a 16.5dB noise level.
in 16 offers
The lowest price for Philips 2in1 Purifier & Humidifier White AC3420-10 right now is $417.00 at eBay.com.au, compared across 10 retailers.
The all-time low was $229.00 on 31 Aug 2026 — today's price is 82% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 11 Oct 2026.
Philips 2in1 Purifier & Humidifier White AC3420-10
With the Philips PureProtect Water 3400 Series 2-in-1 AC3420/10, you can clean the air and improve the humidity. That's because the air purifier has a humidification function. It prevents dry skin and irritated airways. The smart sensors measure air quality 1000 times per second. So the air purifier automatically ensures clean air and good humidity. The air purifier cleans rooms up to 60m2. The 3-layer HEPA filter stops 99.97% of the smallest particles. You can connect the device with the Philips Air+ app. Via the app, you can control it remotely and keep an eye on the air quality. In night mode, it only has a 16.5dB noise level.
With the Philips PureProtect Water 3400 Series 2-in-1 AC3420/10, you can clean the air and improve the humidity. That's because the air purifier has a humidification function. It prevents dry skin and irritated airways. The smart sensors measure air quality 1000 times per second. So the air purifier automatically ensures clean air and good humidity. The air purifier cleans rooms up to 60m2. The 3-layer HEPA filter stops 99.97% of the smallest particles. You can connect the device with the Philips Air+ app. Via the app, you can control it remotely and keep an eye on the air quality. In night mode, it only has a 16.5dB noise level.
Last updated at 11/10/2026 02:21:50
Philips Pureprotect Water 3400 Series Smart 2-in-1 Air Purifier And
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Philips Smart 2-in-1 Air Purifier & Humidifier PureProtect Water 3400 Series - 78 m2, HEPA, Active Carbon, 5 Speed, Sleep Mode, Child Lock, 3.2L Water
Delivery between 14–21 Oct $139.76
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Delivery between 19–22 Oct $32.99
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Next-day delivery $17
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Free delivery by Tue
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Delivery between 13–21 Oct $10
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Free delivery between 12–19 Oct
Philips 2-in-1 Air Purifier & Humidifier
Delivery between 16–20 Oct $171.89
TieDex UK PHILIPS PureProtect Water 3400 Series AC3420/10 Smart 2-in-1 Air Purifier & Humidifier - Arctic White
Delivery $151.66
PHILIPS AC3420/10 2-in-1 Air Purifier and Humidifier, 3400 Series, 78 m2, CADR 300m/s, 3-Layer HEPA Filter, Remote Control with Air+ App
Free delivery between 20–23 Oct
| Filter Type | Filtered |
| Brand | Philips |
| Assistant Support | Amazon Alexa |
Philips Pureprotect Water 3400 Series Smart 2-in-1 Air Purifier And
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Philips Smart 2-in-1 Air Purifier & Humidifier PureProtect Water 3400 Series - 78 m2, HEPA, Active Carbon, 5 Speed, Sleep Mode, Child Lock, 3.2L Water
Delivery between 14–21 Oct $139.76
Philips 2-in-1 Purifier & Humidifier (White), The Nile AU
Delivery between 19–22 Oct $32.99
Philips PureProtect 3400 Series Smart Air Purifier/Humidifier Silver White
Next-day delivery $17
Philips 2in1 Purifier & Humidifier White AC3420-10
Free delivery by Tue
| Filter Type | Filtered |
| Brand | Philips |
| Assistant Support | Amazon Alexa |
