150ml Graduated Narrow Mouth Glass Erlenmeyer Flask Conical Flask 29\/40 Ground Joints<br>Description:Material:Borosilicate glass 3.3 Capacity:150ml<br>Feature:150ml graduated glass erlenmeyer flaskMade from borosilicate with low thermal expansion rate，high temperature tolerance， high strength and hardnessHigh chemical properties，base resistance and acid resistanceNarrow mouth design with 29\/40 ground jointsLarge marked metric scale，easy to readFit for lab chemistry experiment<br>Package included:1X 150ml Glass Erlenmeyer Flask