Kit for use with: Pump In Style Original breastpumps, models #57020, #57024, and #57040. Pump In Style Advanced Shoulder and Backpack (manufactured after July 2006), models #57026 and #57060. Pump In Style Advanced Shoulder and Backpack (manufactured after Jan 2008), models #57027 and #57062. Pump In Style Advanced Limited Edition and Metro. Includes - Large size (27 mm) breastshields - 2 each of #87077. - Connectors - 2 each of #87076. - Valves and Membranes - set of 2 each of #87089. - Tubing - 2 each of #8007212 (clear plastic tubing-PVC). - BPA-free collection bottles with solid lids - 2 each