Oxygen bottle, borosilicate glass, 100-150 ml, NS 14/23, PE-stopper, 1 unit(s)Oxygen bottle, borosilicate glass, 100 150 ml, NS 14 23, PE stopper Material: borosilicate glass. For the determination of water dissolved oxygen. With rounded PE stoppers at the bottom and labelling space. Total volume in engraved on the cone, two decimal places, tolerance 0. 01 ml. Technical Information Volume 100 to 150 ml Standard ground glass joint 14 23