Cover for PTFE Beaker Back Catalog number: A135-25C Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 8700B-20 200mm Sieve. 20micron Price on request 8644H-100 100 * 100mm HDPE Opaque Price on request 8700S-05 200mm Sieve. 700micron Price on request