50 * 50mm PTFE (Teflon) Back Catalog number: 8644T-50 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended A135-5000 PTFE Beaker Price on request 8600M-75 Sample splitter. 75mm Price on request 8700B-07 200mm Sieve. 500micron Price on request