Squeeze the suction bellows. It allows aspiration up to 50 ml with one compression. The fill rate is continuously variable with the pipetting lever.

To discharge the liquid, simply press down on the lever. The valve system is designed so that flow does not affect accuracy.

When using blow-out pipettes, once the meniscus comes to a standstill in the tips, pess the convenient blow out bulb. Pipetting has never been easier.