Symphony & Lactina Double Pumping Kit. For pumping with a Symphony or Lactina breastpump. Assembled for pumping with the Symphony breastpump. Includes a manual pump. Contents: (2) standard size PersonalFit (24 mm) breastshields; (2) valves; (4) membranes; (1) piston; (1) cylinder; (1) pump connector; (2) tubes; (2) 150 mL BPA-free breastmilk bottles with lids; (2) membrane caps; (2) protective membranes; and instructions.