1)Certificate: NSF,ISO9001, ISO9002 2)Usage: for water and air purification, etc. 3)Delivery time:within 20 days 3)MOQ.: ... in granular, cylindrical, spherical and powder appearanceProduct Usage:Activated carbon is used in purifying water and air; adsorbing (collecting, recovering. separating and ... can be provided according to the customer's special demands. Activated carbon for water purification