50 * 50mm PS Back Catalog number: 8644PS-50 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended A135-5 PTFE Beaker Price on request 8700B-10 200mm Sieve. 250micron Price on request 8644S4-50S 50 * 50mm Stainless 304 240grit Price on request