MSRP: $19.99
* Size/Volume: 2 Count (Pack of 2 replacement o-rings)
* Compatible with Medela standalone hands-free collection cups
* Provides an airtight seal between the breast shield and the cup shell to prevent milk leakage
* Promotes effective and smooth milk transfer from cup to storage container
* Made from 100% food-grade, safe, and BPA-free silicone material
* Easily removable design makes changing breast shield sizes or routine cleaning simple
* Not compatible with collection cups included with the Medela Freestyle hands-free pump setup
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