Can be used in many places where 3.2 - 4 mm size is changed into 6.2 -8.5 mm if needed (making the end of the tubing wider)

You can connect many breastpump vacuum hole (3.5 mm) to different tubing connector with this adapter.

• Example I: You can use this size changer to connect a Spectra S1/S2 main pump unit to compatible Medela Freestyle tubing set and flange set.

• Example II: Connect Maymom or Spectra backflow protector to compatible Freestyle tubing or compatible pump in style tubing connector or compatible Sonata Tubing.