VWR Scientific 57334-488 U.S.A. Standard Testing Sieve #400
All Stainless Steel. USA series: #400. Sieve opening: 38um (0.0015). Diameter: 20.32cm. Full height. Inspected with NIST traceable system. Serial numbered. Certificate of Compliance to ASTM E-11 and ISO specifications Has had slight use. Small hole in mesh that can be patched up. This testing sieve is in like new condition in original box. It came to us from a large aerospace research lab. It has a small hole in the mesh however it can be patched up.