Michael Ray on Twitter: "@Philips what does the error code E2 mean on my air purifier? (Manual says contact Philips but I'm out of hours here in China and the AQI is
Replacementt activated carbon filter for Philips AC2889/10 humidifier, air purifier - Electropapa
2000i Series Luftreiniger für große Räume AC2889/10 | Philips