1. used for gas/liquid, liquid/solid filtration 2. 3micron to 300micron wire mesh disc 3 different shape, round, square, etc. Types:Wire mesh disc filters:Disc filters single layer;Disc filters multi-layered. Disc Filters Shapes: Filter Discs have different forms, like round, square, oval and can be made according to customer's requirements. Disc Filters Material: Black iron, stainless steel, ...