50 * 50mm Borosilicate glass (pyrex) Back Catalog number: 8644AB-50 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 8700B-18 200mm Sieve. 32micron Price on request 8600M-15 Sample splitter. 15mm Price on request 8601S-30 Stainless Sample splitter. 30mm wide. 12 slots Price on request