BURETTES, AUTOMATIC, CLASS-B (0447) Made of Borosilicate glass, with internal filling tube and automatic zero. Fitted with leakproof PTFE stopcock. Available in various capacities Glass Reservoir Bottle in Cap 10ml, Grad 0.1, Tolerance (mL) ?0.1, Cap 25ml, Grad 0.1, Tolerance (mL) ?0.1, Cap 50ml, Grad 0.1, Tolerance (mL) ?0.1. BURETTES, AUTOMATIC, CLASS-B - Polythene Reservoir Bottle. BURETTES, AUTOMATIC, CLASS-B - Glass Reservoir Bottle. Qty :