Air Quality Monitor Indoor Home Air Quality Tester Analyzer CO2 Meter Portable Carbon Dioxide Formaldehyde Detector Testing Kit with Digital Temperature Humidity Sensor HCHO TVOC Test for Car Outdoor
- ... tool features both pin-type and pinless (flat pad) surface sensors for an accurate test read on larger areas. Once moisture patches are detected, flip open the cap to expose the pin sensors for more exact content readings..
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