Maymom Pump Parts for Spectra S2/S1/Spectra 9 Plus — 25mm Flange Kit, Valve, Backflow, Tubing

Overview

Explore the Maymom aftermarket pump parts kit designed for Spectra S2, S1, and Spectra 9 Plus breast pumps. This compatibility-focused set offers a practical alternative to original components, crafted by Maymom to work with the Spectra system. While not original Spectra parts, these components are intended to be interchangeable with Spectra accessories, providing a flexible option for routine maintenance, travel, or a quick spur-of-the-moment replacement.

With a focus on real-world usability, the kit brings together essential pieces to support a smooth pumping routine, minus the guesswork about fit. The goal is a dependable, user-friendly option that fits into your existing setup without unnecessary complexity.

What’s in the kit

• Two 25 mm flanges
• Two valves
• Two backflow protectors
• Two tubings

Fit, compatibility, and use

The flanges are designed to connect with wide-mouth bottles, accommodating Spectra bottles as well as Avent and Maymom wide-mouth bottles. This is a closed-system setup, with no contact between milk and tubing, which supports a clean pumping environment.

• Interchangeable with Spectra pump parts and compatible with Spectra flange, backflow protector, valve, and tubing
• Works with Spectra, Avent, and Maymom wide-mouth bottles; not compatible with other wide-neck bottles
• Designed to maintain a closed system where milk contact with tubing is avoided

Size options and how to choose

Different flange sizes are available to help you find a comfortable fit. Options include 19 mm, 21 mm, 24 mm, 25 mm, 27 mm, 28 mm, 30 mm, and 32 mm. Refer to the size selection guide in the product photos to select the right size for you.

Care, safety, and testing

• Retail-packaged parts can be cleaned with water, steam, or boiling water
• Made without BPA
• Independent lab testing is conducted; test reports are available for reference

Real-life use scenarios

Whether you’re building a spare kit for travel, swapping parts between users, or refreshing your pump setup, these Maymom components offer a practical, interchangeable option that can slot into your existing Spectra system. The emphasis is on reliability, flexible bottle compatibility, and straightforward cleaning practices, all while keeping to a non-prescriptive, user-focused tone about possible benefits rather than guaranteed outcomes.