Scienceware® Pipette Pump™ III Pipet Aid
The thumb wheel of the Economy Pipette Pump™ III pipet aid controller can be easily manipulated for exact aspiration or drop-wise delivery. These features provide comfortable, stress-free use over extended periods of time. The thumb wheel can be rotated to 'blow out' the pipet. The "Fast Release" model's trigger dispenses entire pipette contents quickly and efficiently.