Photo 1 of Flange Inserts 13/15/17/18/19/20/21mm 14PC Compatible with Momcozy S12 pro/S9 pro/S9/S10/S12/Medela/TSRETE/Spectra/Bellababy Breast Pumps, Reduce 24mm Tunnel Down to Correct Size

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Photo 1 of Flange Inserts 13/15/17/18/19/20/21mm 14PC Compatible with Momcozy S12 pro/S9 pro/S9/S10/S12/Medela/TSRETE/Spectra/Bellababy Breast Pumps, Reduce 24mm Tunnel Down to Correct SizePhoto 2 of Flange Inserts 13/15/17/18/19/20/21mm 14PC Compatible with Momcozy S12 pro/S9 pro/S9/S10/S12/Medela/TSRETE/Spectra/Bellababy Breast Pumps, Reduce 24mm Tunnel Down to Correct Size