100 * 100mm HDPE Opaque Back Catalog number: 8644H-100 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 8700S-09 200mm Sieve. 300micron Price on request 8644H-50 50 * 50mm HDPE Opaque Price on request 8700B-02 200mm Sieve. 2mm Price on request