Main filter media of pleated filter elements are stainless steel sintered fiber web and stainless steel weaving wire mesh. Stainless steel sintered fiber web is a kind of multipore deep filter media, sintered with stainless steel fiber at the high temperature. The filter elements enjoy the advantage of high porosity, large filter area and good dirt holding capacity, and can also be used repeatly after chemical cleaning, etc. Stainless steel weaving wire cloth is weaved with stainless steel wire. These filter elements have such characteristics of good strength, fastness, easy cleaning, high temperature resistance, low cost, etc. Filter rating range from 3 to 200 microns are availlable,the sizes is available at customers requirement.