EISCO Distillation Flask With 2 Necks, 1000ml Capacity, 24/29 Joint Size, Interchangeable Screw Thread Joints, Borosilicate Glass

Made of high quality, heavy duty Borosilicate glass. 1000ml capacity. Size 24/29 center socket, size 19/26 side sockets. Flask measures 8 tall, 5 width at widest point. Perfect for any home, school, or professional science laboratory. Autoclavable, with superior chemical durability. Low temperature gradient- can withstand high temperatures & thermal shocks.