Durceler 16 Spectra Duckbill Valve & 4 Backflow Protectors Replacement, Spectra Duckbill Valves, Compatible Pump Parts for Spectra S1 S2 9 Plus and SG, Spectra Breast Pump Replacement, Accessories

【Content 20 piece sets】: 16 pieces spectra Duckbill Valve & 4 pieces backflow Protectors, compatible with Spectra S2, S1 and 9 Plus ,SG Breastpumps. Built to last longer than other pump parts. 【Say goodbye to inefficient pumping with our Durceler duckbill valves】: The stronger suction draws out more milk, and the duckbill design prevents leaks and backflow. 【Made by Durceler】: Not the original Spectra pump parts. It's the same work with Spectra accessories. 【SAME suction power as OEM valves】: Replace silicone duckbill valve regularly to optimize the performance of your breastpump. 【DO NOT contain BPA】: Clean in water steam or boiling water before use. Tested by independent labs for quality and safety. All items packaged in retail pack, sealed by manufacturer Durceler.