50 * 50mm PTFE (Teflon) Back Catalog number: 8644T-50 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 6310001200 Graphite tubes, partitioned, 10/pk 719,49 € 8700S-08 200mm Sieve. 425micron Price on request A135-100C Cover for PTFE Beaker Price on request