PTFE Funnel Back Catalog number: A105-30 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 8700B-04 200mm Sieve. 850micron Price on request 8700B-05 200mm Sieve. 700micron Price on request 8370H-200S 200mm dia Funnel box of 10 Sterile Price on request