QUICKFIT® Erlenmeyer Flasks, with ground socket, NS 29/32, 150ml

Complies to ISO 4797 and the dimensional requirements of ISO 1773 , Manufactured from 3.3 expansion borosilicate glass complying with ISO 3585 (ASTM E-438 Type 1 Class A), Fired-on, highly durable white markings, Note: The 5ml and 150ml capacity flasks are supplementary to the ISO standards