Measured Volume Burette Set Large calibrate burette chamber. Bacteria proof venting. Injection port for supplementary medication. Automatic shut off valve, micro dropper and flexible drip chamber. Sharp piercing spike provided with built-in air inlet containing bacteria barrier filter. Roller type flow controller. Y injection sites for extra medication. Luer lock connector also available. E.T.O. Sterile and Pyrogen Free. Chamber Capacity: 110ml / 150ml.....