Four-in-one toxic and harmful gas detector Combustible oxygen carbon monoxide hydrogen sulfide carbon dioxide detector

 
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brand:
Keep the time safe
series:
BH
Model:
BH-4 BH-90
Color classification:
Four-in-one gas detector Standard edition diffusion type four-in-one Standard edition pump suction type four-in-one three-in-one gas detector 2-in-1 gas detector Combustible EX oxygen O2 carbon monoxide CO Hydrogen sulfide H2S hydrogen H2 Nitric Oxide NO2 Sulfur dioxide SO2 Ammonia NH3 Chlorine CL2 Ozone O3 Hydrogen chloride HCL Phosphine PH3 Hydrogen Cyanide HHCN Carbon Dioxide CO2
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