Kit for use with Pump In Style Advanced Shoulder and Backpack models (manufactured before July 2006) - #57026, #57060 (not Metro or Limited Edition). Includes - X-Large size (30 mm) breastshields - 2 each of #87079. - Connectors - 2 each of #87076. - Valves and Membranes - set of 2 each of #87089. - Tubing - 2 each of #8007214 (cloudy, slightly sticky plastic tubing). - BPA-free collection bottles with solid lids - 2 each of #6100050. Lids will be clear or yellow (matching pair), depending on availability from Medela.