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 8700S-20 200mm Sieve. 20micron Price on request 8644S4-100S 100 * 100mm Stainless 304 240grit Price on request 8700S-19 200mm Sieve.25micron Price on request