Are these valves and membranes compatible with manual Medela Harmony?
Yes. They are compatible with Medela Pump In Style, Medela Symphony, Medela Mini Electric,
Yes. They are compatible with Medela Pump In Style, Medela Symphony, Medela Mini Electric,
Breastshields and valves are made of PP. Membranes are made of silicone. Tubes are
You can use Medela bottles, Dr Brown's narrow bottles, Walmart Parents' choice bottles, and
Measure the diameter of your nipples. Do not include the areola. Refer to size