... per inch aperture from 0.004mm-10mm Stainless Steel Filter Disc1.Material: Each kind of stainless steel square edged orifice net, densegrain network; Black ... . The shape has the circle, theside, rectangle, the ellipse, the bowl, cap model and so on, the producthas the outlook size ... <=3IS100-80-1601001003000*4000<=0.3<=100<=3IS125-100-315 Stainless Steel Filter Disc