50 * 50mm PVC Back Catalog number: 8644PVC-50 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 8700S-06 200mm Sieve. 600micron Price on request 8644N-100 100 * 100mm Nylon (Polyamide) 6/6, FDA Grade, Price on request 8700S-11 200mm Sieve. 180micron Price on request