PTFE Beaker Back Catalog number: A135-25 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 8700S-11 200mm Sieve. 180micron Price on request 8700B-11 200mm Sieve. 180micron Price on request 8644AL-50 Coupon 50 * 50mm Aluminium coupon. 240grit (buff Price on request