50 * 50mm Stainless 304 Bright Polish Back Catalog number: 8644S4-50B Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 8700B-15 200mm Sieve. 90micron Price on request 8644S6-100B 100 * 50mm Stainless 316 Bright Polish Price on request A135-500C Cover for PTFE Beaker Price on request