Maymom Flange Adapter Compatible with Spectra S1, Spectra S2; Connects Maymom Breastshield/Maymom Bottle and Spectra Backflow Protector (Maymom Flange Adapter (White))

Maymom Backflow Protector, Long Stem, for Spectra S1, S2 and 9 Pumps to use Medela Flanges and Medela Parts; 2pc

Maymom Baby Bottle Thread Changer or Bottle Converter; Allow Spectra S1 S2 Pumps' Wide Mouth Flanges to use Medela Bottles, Ameda Bottles, Lifefactory Bottles, Dr. Brown Narrow Neck Bottles, 4pc

Maymom Backflow Protector Compatible with Spectra S2 Spectra S1 and 9 Plus Breastpump Not Original Spectra Pump Parts Not Original Spectra S2 Accessories Replace Spectra Backflow Protector

Pumpin' Pal Breast Pump Flanges (Set Small XS,S, M) for Medela, Lansinoh, Hygeia - This Set Does not fit in Spectra Flanges

Spectra Baby USA - Original Spectra Backflow Protector Replacement Part - Compatible with S2, S1, 9 Plus, or M1 Breast Pumps, Keeps Breastmilk Hygenic, BPA/DEHP Free

Spectra Baby USA - S1 Plus Premier Rechargeable Electric Breast Pump, Double/Single, Hospital Strength

Replacement Tubing for Spectra S2 Spectra S1 Spectra 9 Plus, BPA Free Replace Spectra Tubing Avent Tubing Ameda Tubing Made by PumpMom(Not Original Spectra S2 Accessories)

Medela PersonalFit Flex Breast Shields, 2 Pack of Small 21mm Breast Pump Flanges, Made Without BPA, Shaped Around You for Comfortable and Efficient Pumping

2X One-Piece Breastshields, Valves, Membranes to Replace Medela Pump Parts, Incl. Pump in Style, Lactina, Symphony, Swing; 24 mm Standard breastshields; Made by Maymom

Nenesupply 6 pc Compatible Duckbill Valves for Medela and Spectra S1 Accessories Spectra S2 and Medela Pump in Style Not Original Spectra Pump Parts Replace Spectra Duckbill Valves and Medela Valve