QUICKFIT® Flasks Round Bottom, short neck, ground socket NS 34/35, 250mL

Complies to ISO 4797 and ISO 1773 requirements, Manufactured from 3.3 expansion borosilicate glass complying with ISO 3585 (ASTM E-438 Type 1 Class A), Flask geometry permits very uniform heating, With highest quality ground glass socket, Comprehensive range of flasks available with capacities from 5ml to 5000ml, Note: * is supplementary to the ISO 4797 range.