100 * 100mm PTFE (Teflon) Back Catalog number: 8644T-100 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 8509A-500 Aluminium Case 500 * 225 * 75 Price on request 8700B-11 200mm Sieve. 180micron Price on request 8644AB-100 100 * 100mm Borosilicate glass (pyrex) Price on request