Maymom 21mm Flange & Duckbill Valve for Spectra S1/S2 Pumps – Interchangeable, BPA Free

Elevate your Spectra pumping setup with Maymom

Maymom’s 21mm flange and duckbill valve set is designed as a flexible, reliable replacement option for Spectra S2, S1, and S1Plus pumps. This pair mirrors the feel of OEM parts while offering practical aftermarket benefits, giving you options that adapt to your routine without sacrificing performance. The components are made by Maymom and are not original Spectra parts, with clear compatibility guidance to help you choose confidently.

What you get and how it connects

• Contents include two 21mm flanges and two duckbill valves, compatible with Spectra S2, S1, and S1Plus pumps. Packaging is retail-sealed and labeled by the manufacturer.
• Interchangeable with Spectra pump parts, offering a closely matched suction experience to OEM accessories.
• Wide-neck and wide-mouth bottle compatibility: Maymom flange works with Spectra wide-neck bottles, Avant bottles, and Maymom wide-mouth bottles.
• Available flange sizes span from 13mm to 32mm, including 21mm as a popular fit for many users.

Duckbill valve design and usability

• Maymom duckbill valves feature easier plug-in and removal, contributing to smoother setup and maintenance.
• Durable quality with options for color customization, adding a touch of personalization to your pumping kit.

Safety, testing, and care

• BPA and DEHP free, with FDA-compliant materials suitable for food-contact applications.
• Independent laboratory testing is available online for reference, supporting transparency in materials and performance.
• Retail-packaged by the manufacturer and sealed to preserve product integrity.
• Designed to withstand common cleaning methods, including dishwasher top rack, steam cleaning, boiling water, and microwave-steam bags.

Real-life use and care tips

In everyday sessions, you’ll appreciate a snug fit, compatible bottle options, and straightforward cleaning routines. The flexible sizing helps you dial in comfort across different bottle shapes, while the durable valve construction supports regular use without noticeable drop in performance. By choosing Maymom, you’re opting for an adaptable solution that can slot into existing setups, potentially reducing the need for multiple separate parts.

Note: Maymom is not affiliated with Spectra or the original Spectra brand. This set is designed as a compatible alternative that aligns with stated specifications and common consumer needs.