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-19 200mm Sieve.25micron Price on request SSS-888B Sterile Bag 254 * 382. Box of 1000 Price on request 8700B-04 200mm Sieve. 850micron Price on request