SpectraBaby Back Flow Protector Replacement for use with Spectra S1, S2, S3 and 9 Plus Breast Pump Models. The Spectra Backflow Protector ensures your breast milk is free of outside contaminates and prevents Breast Milk from making its way into the Breast Pump motor. The Spectra Backflow Protector is specifically designed to maintain performance and efficiency of all Spectra Breast Pump Models. If you are double pumping, you’ll require two Spectra Backflow Protectors.
One (1) Spectra Backflow Protector for one breast
Includes (1) silicone membrane, (1) uppercase, and (1) lowercase