Question

Why do I need to insert the adapter ring when using a Classic polypropylene bottle?

Answer

The neck size of the Classic polypropylene bottle may change slightly over time. The adapter ring makes sure the anti-colic valve will work properly, preventing air entering your baby’s tummy.

Was this document helpful?

Yes No Need to try first

Give us your feedback on this FAQ. What could we have done to to answer your question better?