Contains 2 Backflow Protectors, including 2 Large Caps, 2 Small Caps, and 2 Silicone Diaphragms.
Designed to work with the flanges of Spectra S1, Spectra S2, and 9 Plus Breastpumps
BPA and DEHP free
FDA registered medical devices.
All items packaged in retail pack by the manufacturer for best protection and hygiene.