Pure and simple

It’s not cheap, but the Philips Air Purifier captures 99.9 per cent of bacteria in one hour, and removes 99 per cent of airborne particles such as dust, pet hair and pollen. We tested it and found the fact that it measures your air quality (a blue light means it’s good) to be rather reassuring, and were able to sleep easily with it on in the bedroom. From £380, available on www.amazon.co.uk