Nenesupply 6 pc Compatible Duckbill Valves for Spectra S1 Accessories S2 and Medela Pump in Style Not Original Parts Replace Valve

CONTAINS 6 DUCKBILL VALVES for Medela and Spectra. Work with SPECTRA S2, SPECTRA S1, SPECTRA 9 PLUS, Spectra Dew 350 and MEDELA BREASTPUMPS EXCEPT MEDELA FREESTYLE. 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 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. Compatible with Spectra Flange, Medela Breastshield, and Nenesupply Breastshields. Work with Medela Harmony Pump In Style Symphony Swing BPA FREE. Can be sterilized in water steam or boiling water. FDA compliant for food contacts. Tested by independent labs for quality and safety.