200mm Sieve. 20micron Back Catalog number: 8700B-20 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 8644AB-100 100 * 100mm Borosilicate glass (pyrex) Price on request 8644PS-100 100 * 100mm PS Price on request 8370H-100 100mm dia Funnel box of 50 Price on request