Buchner filtering flask made of high quality, heavy duty borosilicate glass, Interchangeable joint with 29/32 size sockets, No stopper included, Flask measures 5in tall, Base measures 3.5in in diameter, Side socket arm measures 0.9 in long, capacity: 250ml
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.