Infrared filters application fields:

◆Chemical industry: Monitoring of crude oil, natural gas, gasoline, liquid

      hydrocarbons, ethylene, propylene, flammable, toxic and harmful gases

◆City gas, HVAC fresh air: methane, carbon dioxide

◆Electricity: Monitoring of combustible gas, hydrogen, ammonia, sulfur

       hexafluoride, carbon monoxide, carbon dioxide, and nitrogen oxides

◆Metallurgy: Monitoring of carbon monoxide, carbon dioxide,

       hydrogen sulfide

◆Environmental protection, medical treatment: monitoring of carbon  monoxide, sulfur oxides, and nitrogen oxides