ot the materials used. With the two nominal sizes of 0.4 and 0.8mm, as well as the selection between 2/2-way and 3/2-way function, it is ideal for applications where the highest fl uid performances are required in the smallest space. Type 6650 opens up new possibilities, owing to the 4.5mm station width, in particular in connection with dosing in 384-well microtiterplates. Based on the well-known fl ipper principle (Type 0330) it is tied to the success history of the legendary Type 127.