10-100 Mesh 2-0.15mm Aperture Lab Standard Test Sieve Stainless Metal 20cm New | eBay
Test sieve Ø 200 mm, 50 mm | Analysis sieves and sieving machines | Filtration and separation | Filtration, Water Purification, Dialysis | Labware | Carl Roth - International
Sieve Sizes: In-Depth Guide to U.S. and Metric Sizes - Gilson Co.