Medela Symphony Breastpump

2-Phase Expression technology: Designed to mimic a baby's natural nursing rhythm. Convenient: Single or double pumping. Two separate, independent membrane units: Allows switching between single and double pumping by simply applying or removing the second collection kit to the breast Let-down button: Moms can easily return to stimulation by pressing the let-down button Hospital grade (multi-user): The pump's kit is separate from the pumping mechanism and protected from overflow by a specially designed membrane