Chemglass, CG-1533-15, Flask, Round Bottom, 3000ml, Heavy Wall, 24/40 - 24/40, 10/30 Thermometer Joint, 4-Neck
Round bottom, HEAVY WALL, four-neck flask with standard taper outer joints on the center neck and vertical side necks. The third neck is a 10/30 outer joint for use with a CG-3506, 10/30 jointed thermometer. Flasks with 29/26 center necks have a groove tooled just below the grind to aid in the clamping of the flask.