... active by the sunlight, and recycled. “GOLDENBALL” compound air purificant series products are made from Bentonite, Palygorskite, Sepiolite, ... mineral materials. They are processed by scientific formula and unique technology.Function:Strong adsorption, they can adsorb formaldehyde, ... odor, can be used to purify the air in refrigeration, freezer, wardrobe, shoe cabinet, kitchen, toilet. air purifier