MilkFlow 27mm Flange & Duckbill Valve 2-Pack for Spectra S1/S2/9+ – Replacement Parts (Not Original)

Enhance your Spectra pumping routine with MilkFlow

This MilkFlow kit is designed as a practical replacement set for Spectra pumps, offering a ready-to-use upgrade with two 21mm breast shields and two reinforced duckbill valves. It’s compatible with Spectra S1, S2, 9 Plus, and Synergy Gold, giving you a way to refresh essential components without replacing your entire system.

What’s included

• Contains 2 breast shields (21mm) and 2 duckbill valves for quick replacement.
• Compatibility covers Spectra S1, S2, 9 Plus, and Synergy Gold pumps.

Durability and grip you can feel

Reinforced duckbill valves with an easy-grip base are designed for daily pumping. The thoughtful construction aims to provide a secure seal and stable performance through frequent use.

Comfortable fit and versatile sizing

Available in sizes 13–30mm, this kit supports a comfortable fit for a range of users and shield options, helping you customize your setup.

• Expanded size range supports a customizable experience.
• Works with Spectra wide-neck bottles and most wide-mouth bottles.

Materials you can trust

All components are made from 100% food-grade material and BPA-free, designed for everyday handling and confident reuse.

Care and compatibility

Dishwasher safe (top rack), boiling safe, and steam safe, making cleaning between pumping sessions straightforward.

Real-world use

Whether at home, at work, or on the go, this replacement set aims to support a reliable pumping routine with parts that feel sturdy in hand and fit your existing Spectra system. Benefits described are possibilities, not guarantees.