50 * 50mm HDPE Opaque Back Catalog number: 8644H-50 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 8500C-01 Superior case with cut out Price on request 8700B-02 200mm Sieve. 2mm Price on request 8700B-08 200mm Sieve. 425micron Price on request