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  1. £349.99Amazon
  2. £529AO

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At first glance, the AEG AX91-404GY, also known as the AX9 400 AP, doesn’t look like an air purifier, as its grey mesh covering makes it look more like an audio speaker. With a five-stage filtration system and an app that lets you control your home’s air quality even when you’re not there, is this air purifier the key to consistently clean air? Read our review to find out.

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What's included?

  • What is it?
  • What’s it great at?
  • Is there anything I should watch out for?
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KEY TEST RESULTS
Dust removal
Quietness
Ease of use
  • Apr 2023Last checked by Which?
  • Sept 2020First reviewed by Which?
  • Apr 2020Released