Nenesupply 8 pc Duckbill Valves Compatible with Medela and Spectra Pump Parts Use on S2 S1 in Style Harmony Symphony Replace Valve

8 NENESUPPLY DUCKBILL VALVES for MEDELA and SPECTRA. MADE BY NENEDUPPLY. Not original Medela pump parts. Not original Spectra S2 accessories. WORK WITH for these breastpumps: MEDELA PUMP IN STYLE, MEDELA SWING, MEDELA HARMONY, MEDELA SYMPHONY, MEDELA MINI ELECTRIC and SPECTRA S1, SPECTRA S2, SPECTRA 9 Plus, SPECTRA DEW 350 breastpumps. Work with Spectra Pump Parts and Spectra S1 accessories. ONE DUCKBILL VALVE REPLACE A MEDELA VALVE AND A MEDELA MEMBRANE. No need to buy extra membranes. Fewer pump parts to wash, sterilize, and assemble. EASY TO INSTALL AND REMOVE. SAME SUCTION POWER AS OEM VALVES. DOES NOT CONTAIN ANY BPA, and sterilize in water steam or boiling water. Comply with EU regulations for materials that contact food. Tested by independent labs for quality and safety.