18mm Silicone Flange Inserts Compatible with for Spectra S1/S2 Medela Bellababy Elvie Paruu R12 P10 Momcozy S9 S10 S12 Pro Freemie Breast Pump Shield Reduce 27-28mm Tunnel to 18mm 2pcs

LOZAEVE 18mm flange inserts to compatible with Spectra S1/S2, Bellababy, Elvie, Paruu R12 P10, Momcozy S9/S10/S12/M1 Wearable, Freemie, Evenflo, Maymom breast pump shields. It will reduce the 27-28mm nipple tunnel down to 18mm. Also fit for Medela PersonalFit Flex, Harmony, Freestyle, Swing Maxi, Sonata, and Symphony breast pump shields, It will reduce the 27mm nipple tunnel down to 18mm. 2pcs each pack. Seamless Compatibility For Optimal Milk Expression: Suitable for nipple diameter 15-17mm(after a pumping session), or measure the circumference of nipple base about 40.82-47.10mm before a pumping session. Great solution for small-nippled mothers using large breast shields, Proper nipple tunnel fit is essential for comfort and efficient milk output. BPA free, made of silicone material. Durable, clear, and comfortable. This accessory helps breast shields for more effective pumping and maximized milk expression while helping to avoid nipple trauma or irritation. Maintain compatibility wit