50 * 50mm Borosilicate glass (pyrex) Back Catalog number: 8644AB-50 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 8600M-7 Sample splitter. 7mm Price on request A135-25C Cover for PTFE Beaker Price on request 8700S-11 200mm Sieve. 180micron Price on request