50 * 50mm HDPE Opaque Back Catalog number: 8644H-50 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 8700S-14 200mm Sieve. 106micron Price on request 8601S-06 Stainless Sample splitter. 6mm wide. 16 slots Price on request A135-1000 PTFE Beaker Price on request