PTFE Beaker Back Catalog number: A135-1000 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 8700S-16 200mm Sieve. 75micron Price on request 8644AB-100 100 * 100mm Borosilicate glass (pyrex) Price on request 8700S-03 200mm Sieve. 1mm Price on request