4Pcs Breast Pump Flange Insert 14mm Compatible with Momcozy/Spectra/Medela/eufy/Elvie/Lansinoh/Paruu P10 Breast Pump, Fit for Momcozy M5/M9/M6/V2 Pro/V2 pro/S12 Pro/eufy E10 S1 S1 Pro Pump

This product is best suited for women who are looking to purchase a breast pump that has an 14mm flange and can accommodate their specific model of a high-end electric breast pump, such as those from brands like Momcozy, Spectra, or Elvie.