Cover for PTFE Beaker Back Catalog number: A135-25C Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 8700S-05 200mm Sieve. 700micron Price on request 8700S-03 200mm Sieve. 1mm Price on request A106-20 Micro Spatula. 316L stainless steel Price on request