50 * 50mm Stainless 304 Bright Polish Back Catalog number: 8644S4-50B Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 8700B-18 200mm Sieve. 32micron Price on request 8644AB-50 50 * 50mm Borosilicate glass (pyrex) Price on request 8703A-15 15ml Automatic burette Price on request