MilkFlow 26mm Flange & Duckbill Valve — Spectra S1/S2/9+, Replacement Pump Parts (2-Pack)

Overview

MilkFlow introduces a practical upgrade for busy pumping days: a 26mm flange paired with reinforced duckbill valves. This 2-pack is designed to pair with Spectra S1, S2, 9 Plus, and Synergy Gold pumps, offering a comfortable fit and dependable valve action. The setup is built for everyday use, with attention to durability and ease of cleaning. Note that these are not original Spectra accessories, but a compatible alternative designed to support your routine with consistent performance.

What’s included

• Contains 2 breast shields (21mm) and 2 duckbill valves for quick replacement
• Reinforced duckbill valves with an easy-grip base designed for daily pumping sessions
• Suitable for Spectra wide-neck bottles and many wide-mouth bottle brands

Key benefits and everyday usability

This set emphasizes reliability and comfort, helping you maintain a steady pumping rhythm. The 21mm shields provide a softer fit for many users, while the reinforced valves aim for smooth operation across multiple sessions. The components are designed to withstand frequent use and everyday handling, making replacements straightforward when needed.

• Comfort-focused flange size supports a gentle, secure seal during pumping
• Durable duckbill valves with a grip-friendly base for easy handling
• Wide-neck bottle compatibility broadens your accessory options

Materials, care, and compatibility

All parts are made from food-grade, BPA-free materials, aligning with common safety expectations for pump components. The pieces are dishwasher safe on the top rack, boiling safe, and steam safe, which can simplify cleaning between sessions. They work with Spectra S1, S2, 9 Plus, and Synergy Gold pumps, offering an affordable alternative to original parts while maintaining a focus on practical use in daily life.

Size range and fit

To accommodate a variety of comfort needs, these flange inserts are available in sizes ranging from 13 to 30mm. This flexibility helps you find a fit that feels right for you across different pumping stages and sessions.

Why choose MilkFlow

MilkFlow aims to support your pumping routine with dependable components that pair well with familiar systems. Expect practical design details, straightforward maintenance, and the potential for ongoing use as part of your pump setup. While results can vary, many users appreciate the ease of swapping worn parts and the reassurance of consistent performance over time.