50 * 50mm PVC Back Catalog number: 8644PVC-50 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 8644N-100 100 * 100mm Nylon (Polyamide) 6/6, FDA Grade, Price on request 8500C-01 Superior case with cut out Price on request A135-25C Cover for PTFE Beaker Price on request