MQ135 MQ-135 Smoke Gas Sensor Module Alcohol Gas Detection Module Smoke Gas Detector
![MQ135 MQ-135 Smoke Gas Sensor Module Alcohol Gas Detection Module Smoke Gas Detector](http://ae04.alicdn.com/kf/HTB1.6xtclGw3KVjSZFwq6zQ2FXaO.jpg)
sku: 33038151685
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$8.18
Shipping from: China
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