50 * 50mm PP Back Catalog number: 8644PP-50 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 8700B-10 200mm Sieve. 250micron Price on request 8509A-1200 Aluminium Case 1250 * 225 * 75 Price on request 8370H-200S 200mm dia Funnel box of 10 Sterile Price on request