---
product_id: 353181773
title: "Maymom Backflow Protector for Spectra S2 Spectra S1, 9 Plus Breastpumps W Bonus Flange Adapters. Replaces Spectra Backflow Protector, Spectra Silicone Diaphragm; Replacement Spectra Pump Parts ; 4 pc"
brand: "maymom"
price: "VT14974"
currency: VUV
in_stock: true
url: https://www.desertcart.vu/products/353181773-maymom-backflow-protector-for-spectra-s2-spectra-s1-9-plus
store_origin: VU
region: Vanuatu
---

# 2 versatile flange adapters for multi-brand compatibility BPA-free, FDA-compliant materials for safe, hygienic use 4 backflow protectors for ultimate pump motor protection Maymom Backflow Protector for Spectra S2 Spectra S1, 9 Plus Breastpumps W Bonus Flange Adapters. Replaces Spectra Backflow Protector, Spectra Silicone Diaphragm; Replacement Spectra Pump Parts ; 4 pc

**Brand:** maymom
**Price:** VT14974
**Availability:** ✅ In Stock

## Summary

> 🍼 Protect your pump, empower your flow — because every drop counts!

## Quick Answers

- **What is this?** Maymom Backflow Protector for Spectra S2 Spectra S1, 9 Plus Breastpumps W Bonus Flange Adapters. Replaces Spectra Backflow Protector, Spectra Silicone Diaphragm; Replacement Spectra Pump Parts ; 4 pc by maymom
- **How much does it cost?** VT14974 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/353181773-maymom-backflow-protector-for-spectra-s2-spectra-s1-9-plus)

## Best For

- maymom enthusiasts

## Why This Product

- Trusted maymom brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Safe & Sterile:** Made from BPA-free, FDA-registered medical-grade materials, easily sterilized by boiling or steam
- • **Universal Fit Freedom:** Includes flange adapters compatible with major brands and a wide range of breastshield sizes
- • **Keep Your Pump Pristine:** Prevents milk backflow to protect tubing and motor longevity
- • **Complete Replacement Kit:** 4 backflow protectors with large & small caps plus silicone diaphragms for all your pump needs
- • **Trusted Quality Assurance:** Designed by Maymom, a leader in premium breastpump parts compatible with Spectra and Hygeia

## Overview

The Maymom Backflow Protector kit includes 4 backflow protectors with large and small caps, silicone diaphragms, and 2 flange adapters, ensuring compatibility with Spectra S1, S2, 9 Plus, and other leading breastpump brands. Made from BPA-free, FDA-registered medical-grade materials, it prevents milk from entering tubing, protecting your pump motor and maintaining hygiene. This versatile, easy-to-clean replacement set offers professional-grade durability and universal fit, empowering modern moms to pump confidently and efficiently.

## Description

Maymom's backflow protector can replace both Spectra's new and old versions of backflow protectors. It completely separates the milk from the tubing to keep the tubing clean, and protect your motor.  The included flange Adapters can allow you to connect the back flow protectors to major brand and Maymom flanges that have a wider range of breastshield sizes (Leading brand: 21, 24, 27, 30, 36; Maymom 15, 17, 19, 21, 24, 25, 26, 27, 29, 30, 34, 36 mm). You are no limited to Spectra's 24, 28, and 32 mm flanges any more Maymom is a company making high quality breastpump parts compatible with leading brand, spectra and Hygeia pumps. Buy with confidence.

## Features

- Contains 4 Backflow Protectors, including 4 Large Caps, 4 Small Caps, and 4 Silicone Diaphragms Plus two Flange Adatpters to allow you use with leading brand flanges. Compatible with Spectra Backflow Protectors, both new and old versions.
- No milk will enter the tubing, and thus it will keep the tubing clean and protect your pump motor.
- FDA registered medical devices. Made from BPA free Materials, and can be cleaned with boiling water or water steam. Comply with FDA regulation 21 CFR 177.1520, 21 CFR 177.2600 and EU Commission Regulation (EU) No 10/2011 for plastic materials that intended to come into contact with food.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Maymom |
| Item model number | X024-4sBfp.2Sa |
| Product Dimensions | 15 x 7 x 5 cm; 85.05 g |
| ASIN | B01BREQFMY |

## Product Details

- **Brand:** Maymom
- **Special Feature:** Portable
- **Material:** Plastic, Silicone
- **Included Components:** Diaphragm
- **Material Type Free:** BPA Free
- **Colour:** Clear White,yellow
- **Item Weight:** 3 Ounces
- **Is Dishwasher Safe:** Yes
- **Style:** Compact
- **Size:** 6 Piece Set

## Images

![Maymom Backflow Protector for Spectra S2 Spectra S1, 9 Plus Breastpumps W Bonus Flange Adapters. Replaces Spectra Backflow Protector, Spectra Silicone Diaphragm; Replacement Spectra Pump Parts ; 4 pc - Image 1](https://m.media-amazon.com/images/I/61Ilva9+ENL.jpg)
![Maymom Backflow Protector for Spectra S2 Spectra S1, 9 Plus Breastpumps W Bonus Flange Adapters. Replaces Spectra Backflow Protector, Spectra Silicone Diaphragm; Replacement Spectra Pump Parts ; 4 pc - Image 2](https://m.media-amazon.com/images/I/71ezv-OM1UL.jpg)
![Maymom Backflow Protector for Spectra S2 Spectra S1, 9 Plus Breastpumps W Bonus Flange Adapters. Replaces Spectra Backflow Protector, Spectra Silicone Diaphragm; Replacement Spectra Pump Parts ; 4 pc - Image 3](https://m.media-amazon.com/images/I/5107RYHoorL.jpg)
![Maymom Backflow Protector for Spectra S2 Spectra S1, 9 Plus Breastpumps W Bonus Flange Adapters. Replaces Spectra Backflow Protector, Spectra Silicone Diaphragm; Replacement Spectra Pump Parts ; 4 pc - Image 4](https://m.media-amazon.com/images/I/61EAEOaxiUL.jpg)
![Maymom Backflow Protector for Spectra S2 Spectra S1, 9 Plus Breastpumps W Bonus Flange Adapters. Replaces Spectra Backflow Protector, Spectra Silicone Diaphragm; Replacement Spectra Pump Parts ; 4 pc - Image 5](https://m.media-amazon.com/images/I/51Ht2Ksh2uL.jpg)

## Available Options

This product comes in different **Size** options.

## Frequently Bought Together

- Maymom Backflow Protector Compatible with Spectra S2 S1, 9 Plus Breastpumps with Bonus Flange Adapters. Replacement Spectra Pump Parts Backflow Protector Silicone Diaphragm; 4 pc
- Maymom 21mm Flange and Duckbill Valve Compatible with Spectra S1 Spectra S2 Spectra 9 Plus Not Original Spectra 20mm Replace Pump Parts Spectra Flange Spectra Duckbill Valve
- Maymom Duckbill Valves for Spectra. Designed for Spectra S1 Spectra S2 Spectra 9 Plus Spectra Dew 350 Not Original Spectra Pump Parts Spectra S2 Accessories Replace Spectra Valve (6 ct White)

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-03-03*