Cover for PTFE Beaker Back Catalog number: A135-25C Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 8700S-20 200mm Sieve. 20micron Price on request 8644N-50 50 * 50mm Nylon (Polyamide) 6/6, FDA Grade, Price on request 8644S4-50B 50 * 50mm Stainless 304 Bright Polish Price on request