Developed exclusively for Sonata, these are the extra (or replacement!) membranes you need to use your Sonata Breast Pump.

• 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

This item is final sale. No exchanges or refunds.

4.25" x 2.25" x 2.25"