Maymom Silicone Membrane Diaphragm for Spectra S1/S2/9 Plus Backflow Protectors | Long, Medium & Short Stem

Overview

The Maymom silicone membrane diaphragm is an aftermarket replacement designed to work with Spectra S1, S2 and 9 Plus backflow protectors, including long, medium and short stem variants. It’s formulated as a robust, reusable part that you can swap in to refresh your pump setup without changing other components.

Designed to support your pumping routine, this diaphragm emphasizes durable silicone construction, compatibility with select Spectra backflow protectors, and straightforward care. It is not intended to replace older Spectra backflow protector versions, so please verify compatibility before use.

Key benefits

• Compatibility across Spectra S1, S2 and 9 Plus backflow protectors, plus Maymom’s own long, medium and short stem options.
• Stronger silicone material aimed at delivering reliable performance during pumping sessions.
• Regular replacement is recommended to help maintain overall pump performance and hygiene.
• Hygienic and easy to sanitize; compatible with common cleaning methods like boiling water or steam.
• Regulatory-conscious design, with materials that comply with EU and USA FDA standards for contact with food-grade applications.

Usage and care

To get the most from your Maymom diaphragm, swap it in when you notice changes in suction or pump response. The silicone design is intended to withstand routine cleaning and sanitization, making it suitable for regular maintenance in a busy pumping routine.

• Care: Boil or steam-sanitize as part of routine cleaning.
• Maintenance: Replace diaphragms regularly to help preserve pump performance and hygiene.

Compatibility note

Important: this diaphragm does not fit the old version of the Spectra backflow protector. If you’re unsure about compatibility, check the product photo details or verify model-specific guidance before purchasing.

What you get

Maymom provides a silicone diaphragm designed for compatibility with multiple Spectra backflow protectors and Maymom’s own stem options, all packaged with care to ensure quality and freshness on arrival.