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
Dyson Pure Hot + Cool HP04 review | Real Homes
Customer Reviews - Dyson Hot+Cool™ Auto React HP7A Air Purifier with Fan Cooling - Silver / White
Dyson purifier cool AutoReact, TV & Home Appliances, Air Purifiers & Dehumidifiers on Carousell
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Customer Reviews - Dyson Cool™ Auto React TP7A Air Purifier with Fan Cooling - White / Nickel