... non-toxic 4.OEM& ODM deodorizer box used in refrigerator deodorizer box used in refrigerator1.Material: actived carbon2.Net weight: ... Application:1.Mainly used in metallurgy, iron and steel, petroleum, chemical, and electric field for purification, decolorization ... used for drinking water, purified, water, liquor, beverage, industrial wastewater3.Purification and for mercaptan removal and the other oil ...