300ml,Glass Erlenmeyer Flask,glass conical flask,narrow neck ,Laboratory glasswareVarious sized glass conical flask are supplied,for laboratory usebe made of borosilicate glass.==========Model Number : flask 300mlOrigin : Mainland ChinaClassification : Flask 300ml,Glass Erlenmeyer Flask,glass conical flask,narrow neck ,Laboratory glassware Various sized glass conical flask are supplied, for laboratory use be made of borosilicate glass. Item Weight 1.76 ounces Manufacturer DLAKHH Item model number DLAKHH Package Dimensions 0.39 x 0.39 x 0.39 inches