Spectra Replacement Backflow Protector replaces the filter on your Spectra 9Plus, Spectra M1, Spectra S2 or Spectra S1. To assure quality, these replacement parts are genuine Spectra brand replacement parts.
This backflow protector creates a complete physical barrier between your milk and the pump motor, ensuring that your milk is protected and that pump performance is maintained. This backflow protector is suitable for use with the following breast pumps: Spectra S1 Spectra S2 Spectra M1