common specifications for the 90mm. 3. Flask and the jar: Multi-media and preparation solution for holding, common specifications 250mL, 500mL, 1000mL. 4. Beaker: Holding solution or boiled for use, common specifications for the 100mL, 250mL, 500mL, 1000mL 5. Cylinder: for liquid measurement, common specifications for the 100mL, 250mL, 1000mL 6.