Iso9001 250ml GL45 thread Corning-Reagent Bottle for Sale. Corning Incorporated Life Sciences Registered ISO 9001:2008 Product €Description Catalog Number: 1396-250 Product Description: PYREX® Bottle, Media, Storage, Graduated, Square, GL-45 Thread, 250 mL, Common use graduated reagent bottle 250ml GL45 screw cap .