Simax® screw-top graduated reagent bottle with GL45 thread blue cap. Amber glass. Suitable for autoclaving up to 140°C. Cap must be loose in order to Simax Borosilicate Glass Bottle, Clear, GL45 - Kinesis Australia Subcategory1, Solvent & Media Containers. Product Type, GL 45 Glass Bottles. Port Size, GL 45. Material of Const, Borosilicate Glass.