50 * 50mm HDPE Opaque Back Catalog number: 8644H-50 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 8370H-200S 200mm dia Funnel box of 10 Sterile Price on request 8700B-05 200mm Sieve. 700micron Price on request 8700S-14 200mm Sieve. 106micron Price on request