Pyrex Borosilicate Glass Narrow Mouth Erlenmeyer Flasks with Heavy Duty Rim, 1500ml Capacity Go to amazon.com Related posts Top 7 best 1500ml flask FeatureHeavy-duty rim for longer serviceGraduated scale indicates approximate volumeFlask Style : ErlenmeyerTop Style : Heavy Duty Rim DescriptionMeasures 149mm outer diameter by 244mm height