PTFE Beaker Back Catalog number: A135-500 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 8700B-11 200mm Sieve. 180micron Price on request 8644N-100 100 * 100mm Nylon (Polyamide) 6/6, FDA Grade, Price on request 8700B-04 200mm Sieve. 850micron Price on request