Nenesupply Duckbill Valves. Use on Medela Breastpump， Spectra S1 S2 9 Plus Dew 350， Nenesupply Breastshield. Replace Spectra Valve Medela Valve...<div style="text-align: left;"><strong>[Product Information]</strong><ul><li class="showHiddenFeatureBullets"><span class="a-list-item"> 5 duckbill valves. Use with Medela Breastshield， Spectra Breastshield and Nenesupply Breastshield. Replacement for Medela Valve and Membrane and Spectra Valve </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Designed for these breastpumps: Spectra S1， Spectra S2， Spectra 9 Plus， Spectra Dew 350， and All Medela breastpumps， except Medela Freestyle. See photo for compatible breastpumps. </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> One duckbill valve replaces a Medela valve and a Medela membrane. No need to buy membranes. Fewer pump parts to wash， sterilize， and assemble. </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Same or higher suction power than original Medela pump parts or Spectra pump parts. Every batch is tested by independent labs for quality and safety. </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Materials do not contain any BPA. Can be sterilized in water steam or boiling water. Comply with EU regulations for materials that contact food. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31HbCBkn%2BHL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41eAjoQGJrL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41iFJSrJt7L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41U12J1celL.jpg" noproxy>