50 * 50mm Nylon (Polyamide) 6/6, FDA Grade, Back Catalog number: 8644N-50 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended XRF XRF test per item. Price on request 8700B-06 200mm Sieve. 600micron Price on request A135-5 PTFE Beaker Price on request