Cover for PTFE Beaker Back Catalog number: A135-250C Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 8700B-03 200mm Sieve. 1mm Price on request 8644AB-100 100 * 100mm Borosilicate glass (pyrex) Price on request 8644PVC-50 50 * 50mm PVC Price on request