QUICKFIT® Flasks Round Bottom, medium neck, ground socket NS 24/29, 250mL

Complies with ISO 4797 and ISO 1773, Manufactured from 3.3 expansion borosilicate glass complying with ISO 3585 (ASTM E-438 Type 1 Class A), The geometry of these flasks permits very uniform heating, All flasks feature an NS 24/29 ground socket joint, Note: The table column Length l mm refers to the approximate flask neck length