Below this sits a perforated silver fuselage containing an air filter system. Plates on either side pop out with the press of a button when they need replacing (Dyson says this should be once a year).

Sweet. Overall, the Dyson Pure Hot + Cool Formaldehyde serves up the kind of premium experience you'd expect from a pricey fan that also filters embalming fluid out of the air. As its name ...

The T3 Dyson Pure Humidify + Cool review in ... humidifying function, the air purifier section is generally very low-maintenance – you just need to replace the two filters every year or so ...