PTFE Funnel Back Catalog number: A105-100 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 8700S-13 200mm Sieve. 125micron Price on request 8644AB-50 50 * 50mm Borosilicate glass (pyrex) Price on request 8700S-01 200mm Sieve. 4mm Price on request