Supplier Page from Thermo Fisher Scientific for Thin-Bore Sample Tube, 2mm ID
Sieve Pans, polished brass, 1in deep from Thermo Fisher Scientific
USA Standard Sieve, 18 Mesh from Thermo Fisher Scientific
USA Standard Sieve, 270 Mesh from Thermo Fisher Scientific
USA Standard Sieve, 400 Mesh from Thermo Fisher Scientific