Supplier Page from Thermo Fisher Scientific for USA Standard Sieve, 45 Mesh
Graphite fusion crucible lid for stock number 40794, 2.54cm (1.0in) dia, 6.35mm (0.25in) thick from Thermo Fisher Scientific
Inconel Cover for Crucible 36090, 500ml from Thermo Fisher Scientific
USA Standard Sieve, 40 Mesh from Thermo Fisher Scientific
USA Standard Sieve, 80 Mesh from Thermo Fisher Scientific