50 * 50mm PTFE (Teflon) Back Catalog number: 8644T-50 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 8601S-20 Stainless Sample splitter. 20mm wide. 12 slots Price on request 8703A-50 50ml Automatic burette Price on request 8700S-11 200mm Sieve. 180micron Price on request