... air purifiers and odor remove used for refrigerator air purifiers and odor remove used for refrigerator1.Material:actived carbon2. ... shell as raw materials, made by a series finishing production process. Black, irregular, with well-developed voids, ... petroleum, chemical, and electric field for purification, decolorization, dechlorination, deodorization;2.Also be used for drinking water, purified, water, ...