Splash head made of high quality, heavy duty, 3.3 borosilicate glass Vertical pear shape 19/26 cone size for flask attachment 19/26 condenser size Measures approximately 9" long, 6" tall, 2.5" wide, with a 0.75" tube diameter. Splash head made of high quality, heavy duty, 3.3 borosilicate glass. Vertical pear shape. 19/26 cone size for flask attachment. 19/26 condenser size. Measures approximately 9" long, 6" tall, 2.5" wide, with a 0.75" tube diameter.