200mm Sieve. 20micron Back Catalog number: 8700B-20 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 8700S-04 200mm Sieve. 850micron Price on request 8644PVC-50 50 * 50mm PVC Price on request 8644PVC-100 100 * 100mm PVC Price on request