Cover for PTFE Beaker Back Catalog number: A135-1C Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 8700B-06 200mm Sieve. 600micron Price on request 8644N-50 50 * 50mm Nylon (Polyamide) 6/6, FDA Grade, Price on request 8644AB-50 50 * 50mm Borosilicate glass (pyrex) Price on request