... (3). Pulp and paper, metallurgy, machinery industry nozzle water filtration(4). Food, electric power, mining, smelting industry general circulating water filtration ... blocked on the basis of the medium flow process request.(4).Filter material In general,the material of filter is same ... types(1).Asymmetric fiber filter (2). Y type filter (3).Disc filter (4).Initial effect filter electronic water filter