Maymom Short Stem Inner Case Replacement, Compatible with Spectra Backflow Protector and Maymom Backflow Protector; NOT Whole Backflow Protector; 2pc
Maymom Backflow Protector for Breast Pumps (Spectra S2/S1/9 Plus, Pack of 2)
Maymom Backflow Protector Long Stem for Spectra S1, S2 and 9 Pumps
2Pcs Breast Milk Pump Backflow Protector Duckbill Valve Nursing Feeding Accessory for Milk Pump Electric Pumps
Maymom Flange Adapter Compatible with Spectra S2, Spectra S1, Compatible with Most Medela Breastshield; Connects Pump in Style and Spectra Backflow Protector; 2 Valve to Replace Spectra Duckbill Valve