Updated PH & TP models named 'auto react' now in the UK and are now White/Nickel instead of White/Silver (which looks nicer IMO). Can't see any other actual changes. : r/dyson
PH3A | Dyson Air Purifier | ao.com
Dyson PH3A Purifier Humidify+Cool Auto React Bladeless Air Purifier Tower Fan and Humidifier | Appliances Direct
Support for your Dyson Pure Humidify+Cool™ | Dyson
Uputstvo za upotrebu DYSON Prečišćivač i ovlaživač vazduha PH3A Cool