Air Steward – Advanced Portable Air Quality Monitor Indoor CO2 and Dust, Particle Matter (PM2.5 and PM10) – Real Time… Price: $89.99 (as of 12/09/2022 17:15 PST- Details) & FREE Shipping.

REAL-TIME MEASURE – Monitor air quality with the touch of a button, sensors will provide you trustworthy measurements of CO2, and Particulate Matter – PM2.5 and PM10.
EASY OF USE – Easily read real time air quality results through the LCD display by toggling a one touch button. And easily view the status on display that lets you quickly know the level of CO2, and particle matter.
PORTABLE TESTING – Spot check indoor air quality anywhere or leave device on for continuous monitoring. This easy-to-carry air quality tester can help monitor air quality at home, car, office or hotel rooms.

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