... in removal heavy metals,carcinogen,stale small,bacterium,decolor,etc2.air purification: It can used in filter ozone,SO2,NO2,flue ... which increase the adsorbability.4.it can be used in purify water, anti-chemical,such as medichine,wine,suger industry.Specific ... /m2 5mm approx.400g/m2 activated carbon fiber felt for purify water