All-in-one air quality sensor ZPHS01B: CO2, PM2.5, CH2O, O3... ZPHS01B is an all-in-one air quality module, which integrates laser dust sensor, infrared CO2 sensor, electrochemical formaldehyde, ozone and carbon monoxide sensors, VOC sensor, NO2 sensor, temperature and humidity sensor. Code S0151 ✗ Out-of-Stock Regular price €145.90 -€6.00 Price €139.90