MilkFlow 29mm Flange & Duckbill Valve 2-Pack for Spectra S1/S2/9 Plus Pumps

MilkFlow 29mm Flange & Duckbill Valve 2-Pack for Spectra Pumps

MilkFlow offers an independent, go-to replacement set designed for compatibility with Spectra S1, S2, 9 Plus and Synergy Gold pumps. This 2-pack features two 29mm breast shields and two reinforced duckbill valves, delivering a practical option that stands apart from original Spectra parts. Not affiliated with Spectra, this kit focuses on reliable performance for daily pumping routines.

Materials & Safety: Each component uses 100% food-grade, BPA-free silicone. The flexible yet durable design balances comfort with resilience, helping the parts stand up to routine cleaning and repeated use without compromising safety.

What’s included

• 2 x 29mm breast shields
• 2 x reinforced duckbill valves
• Easy-grip base for secure handling

Design & Feel

The 29mm shields present a soft edge that sits gently on the skin, promoting a comfortable and steady seal. The duckbill valves feature reinforced geometry and a stable base, designed to stay in place during pumping for consistent operation.

Key benefits

• Available in sizes 13-30mm for a comfortable fit across a range of users
• Reinforced duckbill valves with easy-grip construction for daily pumping reliability
• Works with Spectra wide-neck bottles and most wide-mouth bottles
• Dishwasher-safe on the top rack, boiling-safe, and steam-safe for convenient cleaning

Care & compatibility

Cleaning is quick and straightforward, helping maintain performance during busy days. The parts are compatible with Spectra S1, S2, 9 Plus, and Synergy Gold pumps, and they pair well with many wide-neck bottle options for flexible feeding setups.

Usage scenario

During a pumping session, the combination of a soft flange edge and a robust valve system supports a smooth, steady flow. With regular use and proper care, this setup can contribute to a reliable pumping routine without promising specific outcomes.