50 * 50mm HDPE Opaque Back Catalog number: 8644H-50 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 8370H-200 200mm dia Funnel box of 10 Price on request 8700S-06 200mm Sieve. 600micron Price on request 8700B-14 200mm Sieve. 106micron Price on request