Maymom Brand Pump In Style Tubing And Breast Pump Kit For Medela Pump In Style Breastpump. Inc. 2 Pump In Style Tubing, 4 Valves, 8 Membranes, And 2 Breastshields (Can Replace Medela Personalfit Connector And Breastshield) For Medela Pump In Style Advance back-247896