This product is designed to work with Medela Breastpumps such as Pump in Style Advanced, Lactina, Swing, and Symphony. It is interchangeable with Medela Valves and Medela Membranes. It can attach to Medela PersonalFit connector and one-piece breastshield. On the other hand, it is not designed for Medela Freestyle pump nor Medela Swing-Maxi pump (a double pump).
- BPA Free. Test reports are available online.
- Membrane are more flexible than the OEM membranes to respond faster to the pressure change during pumping.
- Valves are better angled for less trapped precious breast milk in them.
- Storage case included provides better protection plus it is more convenient when traveling.
- Convenient and valued pack of 4 valves and 6 membranes