Photo 1 of Nenesupply 1st Generation 21mm Flange Insert Compatible with Elvie Stride Flange Pump Parts Medela Momcozy Spectra Flange Willow Reduce 24mm to 21mm Use as Elvie Inserts Medela Insert

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Photo 1 of Nenesupply 1st Generation 21mm Flange Insert Compatible with Elvie Stride Flange Pump Parts Medela Momcozy Spectra Flange Willow Reduce 24mm to 21mm Use as Elvie Inserts Medela InsertPhoto 2 of Nenesupply 1st Generation 21mm Flange Insert Compatible with Elvie Stride Flange Pump Parts Medela Momcozy Spectra Flange Willow Reduce 24mm to 21mm Use as Elvie Inserts Medela Insert