Ameda offers a full line of accessories and spare parts designed to work with your pump. This item includes two universal silicone diaphragms. Extra replacement parts are great to have on-hand to ensure you always have clean items ready or to easily replace worn or damaged parts. All parts that come into contact with breast milk are made without BPA. Authentic Ameda® Spare Parts are engineered, tested and approved to work specifically with most Ameda Breast Pumps including Pearl®, Platinum, Elite, Mya Joy, Mya Joy PLUS, Finesse, Purely Yours. NOTE – not compatible with the Ameda Mya or Ameda Mya Pro.