Medela's Reusable Pumpset is meant for the convenience of breastfeeding mothers to express the breastmilk from the comfort of their couch or bed. Medela’s Reusable Pumpset is available in two sets- Symphony Single and Double Pumpset and Lactina Single and Dumble Pumpset. Medela’s Symphony pumpset bottle is great for many purposes such as to collect, to store and to feed breastmilk. The Lactina pumpset bottle by Medela is different because of its unique design and can also be used manually.
For more details visit :- http://www.medela.com/IN/en/breastfeeding/products/breastmilk-collecting/reusable-pump-sets-home-use.html