50 * 50mm PP Back Catalog number: 8644PP-50 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 8700B-11 200mm Sieve. 180micron Price on request 8700S-07 200mm Sieve. 500micron Price on request 8370H-200 200mm dia Funnel box of 10 Price on request