Constructed with two or three 304 or 316 stainless steel wire cloth layers with a steel backing plate combined together. Because of different mesh size, and steel backing plate, on the condition of using intensity, to get the best and most effective filtering area.

The above of thin wire cloth with middle and the bottom of the thick wire cloth, combined with different thickness steel backing plate together, infinitely enhance the whole screen use intensity. Because of different model and clients requirement, can choose different steel backing plate form, for example hexagonal, rectangular, square and so on, supporting the above different screen cloth, the above cloth is divided into independent small surfaces, prevent the part excessive expansion damaged, better extend the use lifetime.