For single or double pumping with Lactina¨ Breastpumps or as a Manual Breastpump. Contains two PersonalFit™ breastshields, two valves, four membranes, piston, cylinder, pump connector, two tubings, two collection containers, two lids, one container stand, instruction booklet, and Breastfeeding Information Guide. Autoclavable. DEHP and BPA Free. Includes all necessary parts, including a piston assembly that keeps milk from entering the pump. Sterilization recommended. Dishwasher safe.