50 * 50mm HDPE Opaque Back Catalog number: 8644H-50 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 8509A-1200 Aluminium Case 1250 * 225 * 75 Price on request 8700B-12 200mm Sieve. 150micron Price on request A135-25C Cover for PTFE Beaker Price on request