50 * 50mm PP Back Catalog number: 8644PP-50 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 8644PVC-50 50 * 50mm PVC Price on request 8700B-17 200mm Sieve. 53micron Price on request 8700S-09 200mm Sieve. 300micron Price on request