Nenesupply Membranes Valves Compatible with Medela Breast Pump Parts Not Original Medela Membrane Replacement Parts Accessories Compatible with Pump in Style Parts Symphony Harmony Hand Pump 4 Valves + 8 Membranes

This product is designed to use with NeneSupply breastshield, and Medela breastshields. It works with Medela's one-piece breastshields and personalfit breastshield connector. It Does Not work with Freestyle breastpump. You can attach Nenesupply valves onto your existing Medela breastshields. Valves are easy to remove from breastshield while cleaning. Made from BPA free materials, and complies with EU regulations for materials that contact food. All materials are safe to sterilize in water steam or boiling water.