50 * 50mm HDPE Opaque Back Catalog number: 8644H-50 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 8700S-10 200mm Sieve. 250micron Price on request 8785H-75 Scraper box of 100 Price on request 8700S-03 200mm Sieve. 1mm Price on request