- Exclusively for Sonata Breast Pump: Designed with you and your baby in mind
- Medela Authentic Spare Parts ensure quality and performance you can trust: Great as a spare or replacement set
- Made without BPA: Safe for you and your baby
Developed exclusively for Sonata, these are the extra (or replacement!) membranes you need to use your Sonata Breast Pump.
Two silicone membranes