50 * 50mm Borosilicate glass (pyrex) Back Catalog number: 8644AB-50 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 8785H-75S Scraper box of 100. Sterile Price on request 8703A-15 15ml Automatic burette Price on request A135-250C Cover for PTFE Beaker Price on request