Maymom Medela M Thirds Flange Insert, 0.9 inches (24 mm), Small Size, Reduced to 0.6 inch (15 mm), Pack of 2

Maymom Flange 15mm Inserts Compatible with Medela, Spectra 24 mm Shields/Flanges, Momcozy/ Willow Wearable Cup. Compatible with Medela Freestyle, Harmony , to Reduce 24mm Down to 15 mm; 2pc/Each

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

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