When using the Medela PersonalFit Breastshields, you will need a pair of PersonalFit Connectors. The connectors provide the central connection part for the PersonalFot Breastshields (flanges), the yellow valve and white membrane, the pump tubing (hose), and the milk collection bottle.
The PersonalFit Breastshields and Connectors can be used with the -
Medela Pump In Style Advanced Breastpump
Medela Symphony Breastpump
Medela Lactina Breastpump
Medela Original Pump In Style Breastpump