... toxic 4.OEM& ODM deodorizer box used in refrigerator deodorizer box used in refrigerator1.Material: actived carbon2.Net weight: ... . Black, irregular, with well-developed voids, adsorption, good performance, high strength, easy to operate, economical and durable.Application ... :1.Mainly used in metallurgy, iron and steel, petroleum, chemical, and electric ...