Product Description TYPE LJ-19 "Lijing" Brand Air Purification Activated Carbon This item selects quality high adsorption coconut shell , nutshell and coal property column activated carbon as raw material . Made from special method process . Can effectively absorb toxic chemicals in the air ,remove odor and also used for recycle aromatic gas like alcohol ,ester , mercury ,hydrocarbon etc ,which is apply to air purification equipment and project . Has remarkable effect