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Ammonia detection sensor the MQ137 sensor NH3 gas sensor module
US $40.00 / piece Time Remaining: 24 days Ammonia detection sensor the MQ137 sensor NH3 gas sensor module...Min. Order: 1 piece
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Ammonia detection sensor MQ-137 NH3 gas sensor module MQ137
US $32.00 / piece Time Remaining: 24 days Ammonia detection sensor MQ-137 NH3 gas sensor module...Min. Order: 1 piece
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MQ137 Ammonia detection sensor NH3 Gas Sensor Module Free shipping
US $42.99 / piece Time Remaining: 9 days 1. Good quality, One year warranty.
2. High sensitivity
3. Small size, Easily embedded in any space-constrained products...Min. Order: 1 piece
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wholesale MQ-137 MQ137 ammonia gas sensor probe, sensor probe,NH3 gas detection module free shipping
US $25.99 / piece Time Remaining: 22 days For the family and the environment of hazardous gas detection device, suitable for the detection of ammonia vapor...Min. Order: 1 piece
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wholesale ammonia detection sensor, MQ137 MQ-137 sensor, NH3 gas sensor module free shipping
US $33.00 / piece Time Remaining: 22 days For the family and the environment of hazardous gas detection device, suitable for the detection of ammonia vapor...Min. Order: 1 piece
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wholesale MQ-135 MQ135 air quality sensor probe, sensor probe, hazardous gas detection module free shipping
US $5.99 / piece Time Remaining: 22 days For the family, the environment of hazardous gas detection, automatic ventilation equipment, air filters...Min. Order: 10 piece
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MQ137 Ammonia detection sensor NH3 Gas Sensor Module
US $34.73 / piece Time Remaining: 26 days 1.Quality Assurance and accept Return( Item and Money)
2.Accept order supply big discount
3.Seeking Long term business partner...Min. Order: 1 piece
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