The Spectra Duckbill Valve Set is designed to increase suction and provide better output during breast pumping sessions while preventing backflow contamination. Each duckbill valve consists of one piece, making it easier to clean and maintain. Spectra Duckbill Valves are made of silicone and quality tested to ensure a sturdy grip on small, medium, large, or x-large breast shields and flanges.

The Spectra duckbill valve is suitable for use with any following breast pump: Spectra S1, Spectra S2, Spectra 9 Plus, Dew 350