ONiLAB 12-Channel Micropipettes with ranges from 0.5μL-300μL, Multichannel Adjustable Volume Lab Pipettors3 Volume Range: 0. 5 10l 5 50l 50 300l; Increment: 0. 1l 5l 5l Ultra light and ergonomic design allows for soft range adjustment and piston movement offering fatigue less pipetting experience Each micropipette supplied with an individual calibration certificate according to ISO8655. The tip cone can be disassembled and autoclaved in 121 degree, 1 Year Warranty Rotating dispensing head for optimal pipetting convenience. An exciting advantage of the new