... which caneffectively remove water, O3,NO,NO2,CO,HC, methane and non-methane gases. Working principle The ... -15°C goes through the patented CO, HC reaction chamber, then passes special three kinds of ... 5kPa(minus pressure)10Temperature fluctuation of CO and HC remover±5°CSet value ±5°C11Temperature rising time ... of CO and HC remover180°Cequal to or less than 20min12380°Cequal ...