---
product_id: 117924254
title: "Spectra Baby USA BPA/DEHP-Free Backflow Protector Replacement Part Compatible with S2, S1, 9 Plus, or M1 Breast Pumps"
brand: "spectra"
price: "฿1037"
currency: THB
in_stock: true
reviews_count: 6
category: "Spectra"
url: https://www.desertcart.co.th/products/117924254-spectra-baby-usa-bpa-dehp-free-backflow-protector-replacement-part
store_origin: TH
region: Thailand
---

# Universal fit for S2, S1, 9 Plus, M1 pumps Keeps breastmilk hygienic & fresh BPA/DEHP-Free for pure safety Spectra Baby USA BPA/DEHP-Free Backflow Protector Replacement Part Compatible with S2, S1, 9 Plus, or M1 Breast Pumps

**Brand:** spectra
**Price:** ฿1037
**Availability:** ✅ In Stock

## Summary

> 🍼 Keep your milk pure, your pump perfect, and your peace of mind intact!

## Quick Answers

- **What is this?** Spectra Baby USA BPA/DEHP-Free Backflow Protector Replacement Part Compatible with S2, S1, 9 Plus, or M1 Breast Pumps by spectra
- **How much does it cost?** ฿1037 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/117924254-spectra-baby-usa-bpa-dehp-free-backflow-protector-replacement-part)

## Best For

- spectra enthusiasts

## Why This Product

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

## Key Features

- • **Hygiene You Can Trust:** Prevents backflow, maintaining the cleanliness and quality of every precious drop.
- • **Lightweight & Portable:** Compact 9g design makes it easy to carry and swap on the go—because pumping doesn’t pause.
- • **Seamless Compatibility:** Designed to perfectly fit Spectra S2, S1, 9 Plus, and M1 breast pumps for hassle-free replacements.
- • **Pure Protection, Always:** Crafted BPA/DEHP-free to ensure your baby’s milk stays uncontaminated and safe.
- • **Long-Term Pumping Partner:** Recommended replacement every 3-4 months to sustain optimal milk supply and pump performance.

## Overview

The Spectra Baby USA Backflow Protector Replacement is a BPA/DEHP-free, lightweight, and compact accessory compatible with multiple Spectra breast pump models (S2, S1, 9 Plus, M1). It prevents milk backflow to maintain hygiene and milk quality, recommended for replacement every 3-4 months to support sustained pumping efficiency.

## Description

This Back Flow Protector is BPA/DEHP-Free. It is compatible with S2, S1, 9 Plus, or M1 Breast Pumps.

Review: Do not sterlize this - My original one got melted in the sterlizer so in I ordered a new one. Do not sterlize this, it cannot handle high temperatures.
Review: Great for spectra 1 and 2. I had both and these worked as great replacement parts. Much needed for longer term pumping. I typically switched these out every 3-4 months to help keep supply up

## Features

- Keeps Breastmilk Hygienic
- Compatible with S2, S1, 9 Plus, or M1 Breast Pumps
- It is BPA/DEHP-Free

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B072F9HL53 |
| Additional product features | Portable |
| Batteries required | No |
| Best Sellers Rank | #11,357 in Baby Products ( See Top 100 in Baby Products ) #58 in Breast Pump Accessories |
| Country of Origin | Republic of Korea |
| Customer Reviews | 4.8 4.8 out of 5 stars (4,702) |
| Date First Available | 6 August 2017 |
| Dishwasher safe | Yes |
| Item Dimensions LxWxH | 29.8 x 29.8 x 9.4 Centimeters |
| Item Weight | 9 g |
| Item model number | MM011992 |
| Manufacturer | Mom's heart |
| Model Number | MM011992 |
| Product Dimensions | 29.8 x 29.8 x 9.4 cm; 9 g |
| Pump type | Manual |
| Style | Compact |

## Product Details

- **Brand:** Spectra
- **Is Dishwasher Safe:** Yes
- **Item Weight:** 9 g
- **Manufacturer:** Mom's heart
- **Operation Mode:** Manual
- **Size:** One Size
- **Special Feature:** Portable
- **Style:** Compact

## Images

![Spectra Baby USA BPA/DEHP-Free Backflow Protector Replacement Part Compatible with S2, S1, 9 Plus, or M1 Breast Pumps - Image 1](https://m.media-amazon.com/images/I/316ncilSpML.jpg)
![Spectra Baby USA BPA/DEHP-Free Backflow Protector Replacement Part Compatible with S2, S1, 9 Plus, or M1 Breast Pumps - Image 2](https://m.media-amazon.com/images/I/31a307NPTHL.jpg)
![Spectra Baby USA BPA/DEHP-Free Backflow Protector Replacement Part Compatible with S2, S1, 9 Plus, or M1 Breast Pumps - Image 3](https://m.media-amazon.com/images/I/41RKlgYAlmL.jpg)
![Spectra Baby USA BPA/DEHP-Free Backflow Protector Replacement Part Compatible with S2, S1, 9 Plus, or M1 Breast Pumps - Image 4](https://m.media-amazon.com/images/I/41SdF-9ykTL.jpg)
![Spectra Baby USA BPA/DEHP-Free Backflow Protector Replacement Part Compatible with S2, S1, 9 Plus, or M1 Breast Pumps - Image 5](https://m.media-amazon.com/images/I/41xmfC6LYqL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Do not sterlize this
*by S***I on 30 January 2026*

My original one got melted in the sterlizer so in I ordered a new one. Do not sterlize this, it cannot handle high temperatures.

### ⭐⭐⭐⭐⭐ Review
*by J***E on 4 September 2025*

Great for spectra 1 and 2. I had both and these worked as great replacement parts. Much needed for longer term pumping. I typically switched these out every 3-4 months to help keep supply up

### ⭐⭐⭐⭐⭐ Review
*by L***A on 20 June 2025*

Works very well and a very nice quality!

## Frequently Bought Together

- Spectra - Backflow Protector Replacement Part for Breast Milk Pump - Breastfeeding Support Essential - Compatible with Spectra Breast Pumps
- Spectra - Duckbill Valve Replacement for Breast Milk Pump (Pack of 2) - Fits Small, Medium, Large, or X-Large Breast Shields and Flanges
- Spectra - Wide Neck Baby Bottles - Compatible with Spectra Breast Milk Pump Flanges (Pack of 2)

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**Shop now:** [https://www.desertcart.co.th/products/117924254-spectra-baby-usa-bpa-dehp-free-backflow-protector-replacement-part](https://www.desertcart.co.th/products/117924254-spectra-baby-usa-bpa-dehp-free-backflow-protector-replacement-part)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-02-11*