Amazon.com: begical 13mm Breast Pump Cushion Compatible with Spectra 24mm Shields/Flanges Replace Flange Inserts Compatible with Spectra Pump Parts Reduce 24mm to 13mm : Baby
Amazon.com : Loveishere Flange Massage Cushions 19mm Compatible with Spectra/Medela 24mm Shields/Flanges Replace Flange Inserts Spectra Breastpump Parts Reduce 24mm to 19mm 2pc : Baby
Nipple Sizer, Flange Measuring Tool for Breast Pump Flanges - Compatible, Silicone Flanges, Breast Pump Cushion, Flange Inserts, Nipple Ruler for Flange Sizing - Circle Ruler Design-Pink | SHEIN USA
BeauGen Breast Pump Cushions (fits flanges 21-28m)