Nenesupply 19mm Flange Inserts Compatible with Elvie Flange Elvie Stride Flange Momcozy Flange Medela Flange Willow Flange Reduce 24mm to 15mm Use as Elvie Inserts Medela Insert Momcozy Insert

Nenesupply 19mm Flange Insert Compatible with Elvie Flange Pump Parts Elvie Stride Flange Momcozy Medela Flange Spectra Willow Reduce 24mm to 19mm Use as Elvie Inserts Medela Insert Momcozy Insert

Nenesupply 19mm 2 pc Flanges Compatible with Spectra S2 S1 9 Plus Synergy Gold Breastpump Replacement to Spectra Pump Parts Flange Accessories Wide Mouth Work with Valve Backflow Protector Bottle

Maymom 19mm Flange and Duckbill Valve Compatible with Spectra S1 Spectra S2 Breastpump Not Original Spectra S2 Accessories Spectra Pump Parts Replace Spectra Duckbill Valve and Flange