PTFE Beaker Back Catalog number: A135-100 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 8700S-04 200mm Sieve. 850micron Price on request 8644S4-50S 50 * 50mm Stainless 304 240grit Price on request 8703A-25 25ml Automatic burette Price on request