Genuine duckbill valve replacement for Moms Sunshine 1131S and 1133S breast pumps — maintain peak suction performance.
Benefits
- ✓ Exact fit for 1131S & 1133S models
- ✓ BPA-free silicone
- ✓ Restores optimal suction
- ✓ Replace every 1–2 months
What's in the box information will be updated soon.