50 * 50mm HDPE Opaque Back Catalog number: 8644H-50 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 8600M-65 Sample splitter. 65mm Price on request 8700B-10 200mm Sieve. 250micron Price on request 8700S-10 200mm Sieve. 250micron Price on request