50 * 50mm HDPE Opaque Back Catalog number: 8644H-50 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended A333-500 PTFE Scoop Price on request 8700S-13 200mm Sieve. 125micron Price on request 8700S-17 200mm Sieve. 53micron Price on request