Maymom Breast Pump Kit Compatible with Medela in Style Advanced Pumps;2 Breastshields (one piece, 24mm), 4 Valve, 6 Membrane, & 2 Tubing Can Replace Pumpin Valve

MAYMOM PUMP PARTS COMPATIBLE WITH MEDELA PUMP IN STYLE ADVANCED BREASTPUMP & MEDELA PUMP IN SYLE PUMP; NOT compatible with FreeStyle, Swing Maxi, Sonata, Harmony, Pump in Style with Maxflow Pro Pro+.Contains 2 24mm breastshields, 4 valves, 6 membranes, and 2 tubes. IN RETAIL PACK, sealed by Maymom. This kit contains everything you need for pumping except the main pump unit and bottle. This kit is compatible with Medela bottles and many other standard sized (narrow) bottles on the market. BPA free; DEHP free. Retail poly-bag packed; Sealed by the manufacturer Satisfaction guaranteed by Maymom. If you want to use a handsfree bra, Simple Wishes is the choice. It is not compatible with some home made hands free bra or Medela's hands free bra.