Medela Harmony light 2-phase manual breast pumpSafe, individual, comfortable, simple and portable. The Harmony Light Breast Pump is the ideal choice for any mother who is breastfeeding. The device is extremely gentle on breast tissue, using a two phase suction system. In the first stage there is a gentle and gentle breast massage to make the body feel relaxed and to support the flow of milk. In the second phase, the suction itself goes smoothly and the woman feels no unpleasant pressure or pain.