These Type 1 (DIN# GL-45) Borosilicate Glass, general purpose media bottles are autoclavable with permanent white imprinted graduations and marking spots. The screw thread opening has an ID of approximately 30 mm. The supplied cap is liner-less and both the cap and the drip free ring are polypropylene autoclavable to 140?C (284?F).
1.800.733.2522
