Safety vacuum pipetting device, easy to use, able to draw up and measure any liquid, even the most viscous one. Vadosa fits every type and size of pipette from 0.1mL up to 25mL. Will deliver even the smallest quantities with simplicity, precision and speed. Just insert a pipette into the Vadosa vacuum pipetting device, tighten the chuck, immerse the pipette in liquid, then rotate the micrometer type tap until you draw up the desired quantity of liquid. Made of acid and alkali-resistant polypropylene. Shipping weight is 0.96 lbs.