Flange Inserts 19 mm for Medela and Spectra 24 mm Shields/Flanges. Use with Medela Freestyle, Harmony and Sonata to Reduce 24mm Nipple Tunnel Down to 19 mm; 2pc/Each

Maymom Flange Inserts 19 mm for Medela, Spectra 24 mm Shields/Flanges, Momcozy/Willow Wearable Cup. Compatible with Medela Freestyle, Harmony to Reduce 24mm Nipple Tunnel Down to 19 mm; 2pc/Each

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

Maymom Flange Inserts 17 mm for Medela, Spectra 24 mm Shields/Flanges, Momcozy/Willow Wearable Cup. Compatible with Medela Freestyle, Harmony to Reduce 24mm Nipple Tunnel Down to 17 mm; 2pc/Each