RETSCH Stainless-Steel Test Sieves, 200 Dia. x 25mmH, in Micrometer Pore Sizes with ASTM E 11
Laboratory test sieves, 200 mm diameter | UseScience
Sieve Sizes: In-Depth Guide to U.S. and Metric Sizes - Gilson Co.
INTCHE Round Hole Test Sieves Aperture 1mm-40mm Size, All 304 Stainless Steel, 15cm Diameter Economical Test Sieves Standard Test Sieves For Industrial Laboratories 1pc (Color : 13mm) : Amazon.co.uk: Business, Industry &