28mm Flange and Duckbill Valve Compatible with Spectra S1 S2 9 Plus, Include 2-Pack 23MM Flanges 4-Pack Valves, Not Original, Replace Accessories

[Find Your Perfect Fit] Every mom is different. That’s why we offer 9 sizes from 13mm to 30mm, helping you find the flange size that truly fits you. A better fit means less discomfort, more milk, and a more peaceful pumping experience—because comfort matters. [Seamless Compatibility with Spectra] Designed to fit Spectra S1, S2, 9 Plus, and Synergy Gold pumps, this flange connects easily with your wide-neck system. No awkward adjustments, no extra parts—just click in and go. Whether you’re a first-time mom or on baby number three, setup should never slow you down. [Gentle on Skin, Easy on You] Crafted from BPA-free, food-grade plastic, the smooth surface feels soft against the skin—an important detail for those long or frequent pumping sessions. Moms who pump at night or at work will appreciate the quiet comfort this design provides. [Leak-Free Seal – Compatible with Bottles That Matter] Designed to connect securely with Spectra wide-neck bottles and KAIYIV bottles, this flange helps form a tight seal that prevents milk leaks—no unexpected mess. Whether you're pumping at 2 a.m. or between meetings, you deserve equipment that works without second-guessing. [Clean in Minutes, Not Hours] No one has time to scrub. The simple design with smooth inner walls helps milk rinse away quickly. Whether you’re cleaning up between meetings or after a 3am pump, it’s one less thing to stress about.