Laser Particle PM2.5 Dust Sensor Air Quality Sensor Module for Levoit Air Purifier

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About This ►PARTS DESCRIPTION: Laser Particle Sensor / PM2.5 Dust Sensor ►GENUINE: From Genuine OEM Replacement Parts ►MANUFACTURER PART #: LUFTMY ►TIPS: The Laser Dust Sensor can be blocked by dust, which affects the sensor’s accuracy. Clean the sensor every 3 months. Using your air purifier in an environment with more dust may mean you will need to clean the sensor more often. ►How to tell if a sensor has failed: Air Quality Indicator always stays red, and the sensor has been cleaned, there is no ultrasonic humidifier already working near the air purifier, Even if the fan runs at high speed for a long time, the abnormality still cannot be resolved. Show more