Kaitura PM 2.5 AQI two and a half hours running with the SmartAir Original DIY fan and HEPA filter

Kaitura PM 2.5 AQI two and a half hours running with the SmartAir Original DIY fan and HEPA filter

Kaitura PM 2.5 AQI end of test with SmartAir Original
Kaitura PM 2.5 AQI one hour running with the SmartAir Original DIY fan and HEPA filter