50 * 50mm HDPE Opaque Back Catalog number: 8644H-50 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 8644PS-50 50 * 50mm PS Price on request 8700B-02 200mm Sieve. 2mm Price on request 8700S-01 200mm Sieve. 4mm Price on request