Nenesupply 6 pc Duckbill Valves Compatible with Medela and Spectra Pump Parts Use on Spectra S2 Spectra S1 and Pump in Style Harmony Symphony Replace Spectra Duckbill Valves and Medela Valve

CONTAINS 6 DUCKBILL VALVES for Medela and Spectra. Work with SPECTRA S2, SPECTRA S1, 9 PLUS, Dew 350 and Pump In Style, Symphony, and Harmony. See photo illustrations for compatible breastpumps., MADE BY NENESUPPLY. NOT ORIGINAL SPECTRA PUMP PARTS. NOT ORIGINAL MEDELA PUMP PARTS. Work with Spectra S2 accessories and Spectra S1 accessories, ONE DUCKBILL VALVE REPLACE A VALVE AND A 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. Compatible with Spectra Flange, Medela Flange, and Nenesupply Flange., BPA FREE. Can be sterilized in water steam or boiling water. Tested by independent labs for quality and safety.