50 * 50mm PVC Back Catalog number: 8644PVC-50 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 8700S-14 200mm Sieve. 106micron Price on request 8600M-65 Sample splitter. 65mm Price on request 8700B-04 200mm Sieve. 850micron Price on request