200mm Sieve. 20micron Back Catalog number: 8700S-20 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 8644T-50 50 * 50mm PTFE (Teflon) Price on request 8700S-17 200mm Sieve. 53micron Price on request A105-50 PTFE Funnel Price on request