PTFE Beaker Back Catalog number: A135-100 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 8700S-11 200mm Sieve. 180micron Price on request 8370B-100S 100mm dia Funnel box of 50 Sterile Price on request 8700B-14 200mm Sieve. 106micron Price on request