Advantech Stainless Steel Test Sieves, 8" Diameter, 0.25" Mesh, Full Height 0.25 inch mesh size Stainless Steel frame, stainless steel wire cloth Full height (2 inch depth to wire cloth) Serial number is etched on each sieve and contained in a bar-coded label, tracing vital information Comes with Certificate of Compliance applicable to ASTM E 11 specifications