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 8644S4-100S 100 * 100mm Stainless 304 240grit Price on request A135-10C Cover for PTFE Beaker Price on request 8700S-04 200mm Sieve. 850micron Price on request