1L. Graduation Range: 250-1000ml. Graduation Interval: 50ml. Rubber Stopper Number: 9. Heavy duty rim flasks have approximate graduations in durable white enamel. Extra large marking space. Heavy, durable top tooling.
500ml. Graduation Range: 100-500ml. Graduation Interval: 50ml. Stopper Number: 10. Heavy-duty rim. Wide mouth. Recommended for use as titration flasks. Graduated to show the approximate capacity. Extra large marking spot.