If you're in the market for an air purifier, you shouldn't miss Amazon Prime Day on 11-12 July. For two days only, this giant retailer will be slashing their prices across a range of health and ...

A good air purifier keeps ticking all year, but a great one is a unit backed by thousands of reviews and intuitive to use. From over 34,000 five-star ratings on Amazon, this Levoit Core 400S Air ...

I’m not here to talk about the merits of the Core 400S as an air purifier — it is good and my cough has dramatically subsided since we got it — but I want to discuss one core (ha!) feature of its ...