FLASKS, VOLUMETRIC, UNSTOPPERED (0542) Permanent inscriptions featuring a single broad band extending about half way around the flask neck. When viewed against a light background, this band is reflected on meniscus giving a clearly defined liquid level for greater accuracy. Accuracy as per ClassB, DIN. Made of Borosilicate glass. Available in capacities 25ml, 50ml, 100ml, 200ml, 250ml, 500ml, 1000ml & 2000ml. Qty :