19 mm One-Piece Breastshields for Medela Breastpumps

21 mm One-Piece Small Breastshield for Medela Breast Pumps; Replacement to Medela PersonalFit 21 Breastshield and Personal Fit Connector; Made by Maymom

21 mm 2xOne-Piece Small Breastshield w/ Valve and Membrane for Medela Breast Pumps; Replacement to Medela PersonalFit 21 Breastshield and Personal Fit Connector; Made by Maymom

Medela Breast Pump Shields, PersonalFit Breast Shields, 21mm, Breast Shields for Pumping and Easy Compatibility with Medela Breast Pumps

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

Maymom Flange Adapter for Spectra S1 Pumps, Spectra S2 Pump to Use Maymom Breastshield and Bottles; Connects Between Maymom Breastshield and Spectra Backflow Protector (Yellow_2pc)

Nenesupply 5 Count Compatible Duckbill Valves for Medela and Spectra for Spectra S1 Spectra S2 Spectra and Medela Pump In Style Not Original Spectra Pump Parts Replace Medela Valve and Spectra Valve

Medela Personalfit Breastshield Size Small 21 mm 2-pack

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

NeneSupply 6 Count Compatible Duckbill Valves for Medela and Spectra. for Spectra S1 Spectra S2 and Medela Pump in Style Not Original Spectra S2 Accessories Replaces Spectra Valve and Medela Valve

Maymom 4 Count Duckbill Valves for Spectra. Designed for Spectra S1 Spectra S2 Spectra 9 Plus Spectra Dew 350 Spectra Pump Not Original Spectra Pump Parts Spectra S2 Accessories Replace Spectra Valve