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A8-NH3 5-in-1 Ammonia Gas Detector 0-100PPM Air Quality Monitor with Temperature and Humidity Display
Běžná cena $95.06Běžná cena -
MQ137 NH3 Ammonia Gas Sensor Module Ammonia Gas Detector Range 5-500ppm Output 0-5V
Běžná cena $39.36Běžná cena
