50 * 50mm Borosilicate glass (pyrex) Back Catalog number: 8644AB-50 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 8600M-65 Sample splitter. 65mm Price on request 8644S4-50S 50 * 50mm Stainless 304 240grit Price on request 8700B-03 200mm Sieve. 1mm Price on request