The Advantech #400 Inch Stainless Steel Sieve is of impeccable quality. Multiple points of inspection are built into the manufacturing. The measurement system for the wire cloth is traceable to NIST standards and each sieve is labeled for traceability. The die-formed frame assures a proper fit, superior quality and performance. Serialized to meet the highest grade quality assurance systems for traceability of measurement devices. The serial number is etched on each sieve, and contained in a bar-coded label, tracing vital information such as when sieve was manufactured and which lot of wire cloth was used to manufacture each sieve. Comes with a Certificate of Compliance applicable to ASTM E 11 specifications bearing the serial number of your sieve and the ship date. All safeguards are in place to support and ensure your quality assurance program. US Standard Mesh Size: #400 Inch. Frame Material: Stainless Steel. Wire Cloth Material: Stainless Steel. Sieve Height: Full. Sieve Diameter: 8 Inch. Advantech #: 400SS8F.