50 * 50mm Stainless 304 240grit Back Catalog number: 8644S4-50S Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 8644AB-100 100 * 100mm Borosilicate glass (pyrex) Price on request 8505A-11 Case Price on request 8700S-05 200mm Sieve. 700micron Price on request