Ammonia Transmitter NH3 Gas Concentration Detection RS485 Output Public Toilet Odor Monitoring VOC Sensor Module
![Ammonia Transmitter NH3 Gas Concentration Detection RS485 Output Public Toilet Odor Monitoring VOC Sensor Module](http://ae04.alicdn.com/kf/H228172643d25416b9fdb407505ad64edN.jpg)
sku: 4000967987882
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$98.82
Shipping from: China
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