---
product_id: 26737342
title: "Backflow Protector Compatible with Spectra S2 S1, 9 Plus Breastpumps with Bonus Flange Adapters. Replacement Spectra Pump Parts Backflow Protector Silicone Diaphragm; 4 pc"
brand: "maymom"
price: "€ 37.02"
currency: EUR
in_stock: true
reviews_count: 13
category: "Maymom"
url: https://www.desertcart.hr/products/26737342-backflow-protector-compatible-with-spectra-s2-s1-9-plus-breastpumps
store_origin: HR
region: Croatia
---

# BPA-free, FDA & EU compliant Universal fit with Spectra & Medela 4-layer backflow protection Backflow Protector Compatible with Spectra S2 S1, 9 Plus Breastpumps with Bonus Flange Adapters. Replacement Spectra Pump Parts Backflow Protector Silicone Diaphragm; 4 pc

**Brand:** maymom
**Price:** € 37.02
**Availability:** ✅ In Stock

## Summary

> 🍼 Keep your pump pristine and your milk pure—because every drop counts!

## Quick Answers

- **What is this?** Backflow Protector Compatible with Spectra S2 S1, 9 Plus Breastpumps with Bonus Flange Adapters. Replacement Spectra Pump Parts Backflow Protector Silicone Diaphragm; 4 pc by maymom
- **How much does it cost?** € 37.02 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/26737342-backflow-protector-compatible-with-spectra-s2-s1-9-plus-breastpumps)

## 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

- • **Effortless Maintenance:** Dishwasher safe and sterilizable by boiling or steam, ensuring quick, hygienic cleaning for busy moms on the go.
- • **Premium Safe Materials:** Crafted from BPA-free silicone and plastic, independently lab-tested, and fully compliant with FDA and EU food-contact regulations.
- • **Ultimate Hygiene Shield:** Prevents milk contamination by blocking backflow, keeping your pump tubing spotless and motor safe.
- • **Versatile Compatibility:** Seamlessly fits Spectra S1, S2, 9 Plus pumps and Medela flanges with included adapters—one set for all your pumping needs.
- • **Value-Packed Convenience:** Includes 4 protectors plus bonus flange adapters in a retail-sealed pack—ready to replace worn parts instantly and keep pumping uninterrupted.

## Overview

The Maymom Backflow Protector set includes 4 silicone diaphragms, large and small caps, plus 2 flange adapters, designed to prevent milk backflow in Spectra S1, S2, and 9 Plus breast pumps. Made from BPA-free materials and compliant with FDA and EU standards, these protectors keep tubing clean and pump motors safe. Compatible with Medela flanges via included adapters, they are dishwasher safe and sterilizable, offering hygienic, reliable performance for breastfeeding professionals.

## Description

desertcart.com : 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 : Baby

Review: Yes - Work great with my spectra and so nice to be able to replace the different parts when I need with affordable options! Exclusive pumper approved! Shipping is quick and easy too which is great in a pinch!
Review: Fits perfectly - I love maymom products! Everything is a great price and works amazing. They also have very fast shipping. Highly recommend for all pumping moms

## 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 Medela flanges with Spectra pumps. Compatible with Spectra Backflow Protectors, both new and old versions.
- Designed to work with the flanges of Spectra S1, Spectra S2, and 9 Plus Breastpumps.
- No milk will enter the tubing, and thus it will keep the tubing clean and protect your pump motor.
- Made from BPA free Materials, and can be cleaned with boiling water or water steam. Comply with FDA regulation and EU Commission Regulation for plastic materials that are intended to contact with food.
- Every batch is tested by independent labs for safety. All items packaged in retail pack, sealed by manufacturer for protection.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01BREQFMY |
| ASIN  | B01BREQFMY |
| Additional Features | Bpa Free |
| Best Sellers Rank | #3,133 in Baby ( See Top 100 in Baby ) #149 in Breastfeeding Supplies |
| Brand Name | Maymom |
| Color | Clear White,yellow |
| Customer Reviews | 4.7 4.7 out of 5 stars (2,814) |
| Date First Available  | February 14, 2016 |
| Is Discontinued By Manufacturer  | No |
| Is the item dishwasher safe? | Yes |
| Item Weight | 3 Ounces |
| Item model number  | X024-4sBfp.2Sa |
| Manufacturer | Maymom |
| Manufacturer  | Maymom |
| Manufacturer Part Number | X024-4sBfp.2Sa |
| Manufacturer recommended age  | 0 months and up |
| Material Type | Plastic, Silicone |
| Material Type Free | BPA Free |
| Model Number | X024-4sBfp.2Sa |
| Product Dimensions  | 5.91 x 2.76 x 1.97 inches; 3 ounces |
| Size | 6 Piece Set |
| UPC | 760488883266 |
| Unit Count | 4 Count |

## Product Details

- **Brand:** Maymom
- **Color:** Clear White,yellow
- **Material:** Plastic, Silicone
- **Material Type Free:** BPA Free
- **Special Feature:** Bpa Free

## Images

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

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Yes
*by M***T on July 24, 2025*

Work great with my spectra and so nice to be able to replace the different parts when I need with affordable options! Exclusive pumper approved! Shipping is quick and easy too which is great in a pinch!

### ⭐⭐⭐⭐⭐ Fits perfectly
*by T***N on June 9, 2025*

I love maymom products! Everything is a great price and works amazing. They also have very fast shipping. Highly recommend for all pumping moms

### ⭐⭐⭐⭐⭐ Pump
*by K***N on April 10, 2025*

I can’t tell you how many of these I have bought, but I always use maymom! Great price and quality.

## 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
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- 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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**Shop now:** [https://www.desertcart.hr/products/26737342-backflow-protector-compatible-with-spectra-s2-s1-9-plus-breastpumps](https://www.desertcart.hr/products/26737342-backflow-protector-compatible-with-spectra-s2-s1-9-plus-breastpumps)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-06-05*