Compatible Models: Replaceable duckbill valves compatible with Spectra S2, Spectra S1, Spectra 9 Plus, Synergy Gold, Spectra Dew 350, Motif Luna, Ameda Mya and Mya Pro breast pumps. Not original Spectra pump parts. Same Suction as the Original: Our replaceable duckbill valves are designed to provide the same suction power as the Original Spectra duckbill valves. Replace the breastpump duckbill valve every 3-6 months. Easy to Attach and Detach: Papablic's uniquely designed duckbill valve with an easy grab-pull tab that you can detach and replace the duckbill valve easily. Easy to Clean: Wash the duckbill valves after each use with warm soapy water and rinse well. Dishwasher safe. Material: Food-grade Silicone, BPA/DEHP free, Comply with EU and US regulations for materials that contact food. Please note: This is an aftermarket product produced by Papablic Inc. Papablic has no affiliation with or endorsement from Spectra. FSA HSA Eligible Product Details Manufacturer Papablic Model PAPA060BC Color White | 6* Valves + 2* Membranes Size 8 Count (Pack of 1) Quantity 8 Weight 91 g