PTFE Scoop Back Catalog number: A333-100 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 8700B-07 200mm Sieve. 500micron Price on request 8785B-75S Blue Scraper box of 100. Sterile Price on request 8700S-08 200mm Sieve. 425micron Price on request