Bottle, laboratory, reagent / media, round, wide mouth, screw neck, borosilicate glass, GL45 DIN thread, ISO 4796-1, USP Standard, with retrace code, with easy-to-read scale / graduations and large labelling field in highly durable white ceramic, fully autoclavable (121°C), clear / transparent, pack of 10 (with some size variant exceptions), DWK Life Sciences, Schott Duran, Original, 21801