PTFE Beaker Back Catalog number: A135-600 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 8644AL-100 100 * 100mm Aluminium coupon. 240grit (buff #4) Price on request 8700B-17 200mm Sieve. 53micron Price on request 8700S-15 200mm Sieve. 90micron Price on request