I be sit at work pump as I write this ... just like other reviewer I have have problem with milk in the tubing since day one . I `` m currently on my third set of tubing in the past 4 month . I have call medela several time a they be completely unhelpful . they tell I basically just wash out the tubing which be nearly impossible . they tube always look cloudy and gross . I do not want to wash the tubing I want my breast milk to go into the container not the tubing that be why I pay $ 300 for this thing . my hospital have a lacatation boutique I call there to make a appointment to see if it be a `` I '' problem . when I go they say `` its not you at all there be a defect in the pump it happen all the tim '' then they hand I a new set of tubing for $ 16 and say goodluck . I guess since there be not too many option to choose from medelum do not care about fix this problem . but its gross and unhygenic ...