Duckbill Breast Pump Valves Set of 4

This set of four Duckbill Breast Pump Valves are designed to fit our wide-neck bottle adapters for Spectra, Ameda Mya (wide mouth bottle), Cimilre, Motif Luna pumps, and many others! Duckbill Pump Valves should be replaced around every 2-4 weeks (if exclusively pumping) or every 8 ...This set of four Duckbill Breast Pump Valves are designed to fit our wide-neck bottle adapters for Spectra, Ameda Mya (wide mouth bottle), Cimilre, Motif Luna pumps, and many others! Duckbill Pump Valves should be replaced around every 2-4 weeks (if exclusively pumping) or every 8 weeks (for 1-3 pumps per day). Staying on top of your pump part maintenance can save you time, money, and frustration in the long run!