I have a Medela Pump In Style Advanced double breast pump starter set that I used maybe 10 times. All parts are cleaned and sanitized but you can also purchase individual parts as needed. In addition to what's included in the box (see pic), I added a Medela Calma bottle top (used once) and a Medela Battery Pack (never used). All of this is over $200, but since it's slightly used I'm asking $100. Please text me if interested