... and NO2, as well as stink, mephitis and smoke in the air, and purify the air in the ... and impurities in the water.it also can be used to treat the sewage generated in chemical industry, plating, ... cat and rabbit.4. Daily use: it can be used to deodorize the refrigerator, garderobe, shoe cabinet and gradevin, ... the activated carbon fibre ACF can also be used as the carrier of catalyst, stationary phase of ...