Air Quality Monitor Indoor for PM2.5/PM10 Formaldehyde Temperature and Humidity Professional Detector Real Time Display… Price: 52.99 (as of 22:15 EST- More info)

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☻KNOW YOUR AIR – Air quality monitor track temperature, humidity, particulate matter PM2.5/PM10, formaldehyde (HCHO) in your space. These substances penetrate deep into the respiratory tract to reach the alveoli and may aggravate asthma and endanger health.
☻GAIN ACTIONABLE INSIGHT – Real-time detection of indoor air quality, and tracking of air quality data that changes with time/space in the air quality monitor.