PTFE Funnel Back Catalog number: A105-50 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 8785B-75S Blue Scraper box of 100. Sterile Price on request 8700S-08 200mm Sieve. 425micron Price on request 8700B-17 200mm Sieve. 53micron Price on request