liangzhiFlange Inserts 17mm for Medela and Spectra 24mm Breast Shields. Use with Medela Freestyle, Harmony and Sonata to Reduce 24mm Tunnel Down to 17mm; Also Fits Freemie 25mm Cups; 2pc/Each

LOZAEVE 17mm Silicone Flange Inserts for Spectra S1 S2, Medela Breast Pump Shields, Freestyle, Harmony, Sonata to Reduce 24mm Elastic Nipple Tunnel Down to 17mm; Also Fits Freemie 25mm Cups; 2pc/Each

LOZAEVE 19mm Silicone Flange Inserts for Spectra S1 S2, Medela Breast Pump Shields, Freestyle, Harmony, Sonata to Reduce 24mm Elastic Nipple Tunnel Down to 19mm; Also Fits Freemie 25mm Cups; 2pc/Each

Medela Manual breast pump with Flex Shields Harmony Single Hand for More Comfort and Expressing More Milk