Spectra Replacement Pump Parts for S1/S2/9 Plus/Synergy Gold, Not Original Accessories, Breast Pump Parts Include Spectra Flange 15mm/Duckbill Valve/Backflow Protector/Tubing

["Spectra Replacement Pump Parts Compatibility - Compatible with Spectra S1, S2, 9 Plus, and Synergy Gold breast pumps. The full Accessories kit have: 2 breast shields, 2 duckbill valves, 2 backflow protectors(including Silicone Membrane), and 2 tubing. Designed for both new moms and experienced users for easy setup and use","Precise Fit & Sizing – Choose from 12 flange sizes ranging from 13mm to 32mm. Find your perfect fit quickly and comfortably with our easy one-click sizing guide","Leak-Proof Performance – Designed specifically for Spectra wide-neck bottles and breast milk collection bottles. The anti-leak bottle collar prevents spills, giving you reliable performance anytime, anywhere","Portable Travel Set – Compact and space-saving, this set is your ideal on-the-go breastfeeding companion. Keep it in your diaper bag, at the office, or in the car for convenient pumping wherever you are","BPA-Free & Food-Grade Materials – Made from safe, food-grade materials that are completely BPA-free, ensuring a healthy pumping experience for you and your baby","BPA-Free & Food-Grade Materials – Made from safe, food-grade materials that are completely BPA-free, ensuring a healthy pumping experience for you and your baby"]