Inquiry (采购产品): activated charcoal filter we clarifi water from a high contaminated river ,the water is for industrial use , paper mill, we want to know the maximun PPm that a charcoal activated filter, can take,our problem is the odor. We are located in Barranquilla, Colombia **** Hidden Message ***** Ivan Zaher none Company: Fabrica de Bolsas Unibol E-mail: izaher@unibol.com.co **** Hidden Message ***** izaher@unibol.com.co