---
product_id: 146286956
title: "BabyValley Upgrade Backflow Adapter Compatible with Spectra S1/S2, Spectra 9, 9Plus Flange Adapter Connectors for Medela Breastshield Swing, Harmony Flange and Spectra Backflow Protector (Yellow 2pc)"
brand: "babyvalley"
price: "A$2"
currency: AUD
in_stock: false
url: https://www.desertcart.com.au/products/146286956-babyvalley-upgrade-backflow-adapter-compatible-with-spectra-s1-s2-spectra
store_origin: AU
region: Australia
---

# BPA Free Safety Universal Compatibility Easy Installation BabyValley Upgrade Backflow Adapter Compatible with Spectra S1/S2, Spectra 9, 9Plus Flange Adapter Connectors for Medela Breastshield Swing, Harmony Flange and Spectra Backflow Protector (Yellow 2pc)

**Brand:** babyvalley
**Price:** A$2
**Availability:** ❌ Out of Stock

## Summary

> 🔄 Connect with Confidence!

## Quick Answers

- **What is this?** BabyValley Upgrade Backflow Adapter Compatible with Spectra S1/S2, Spectra 9, 9Plus Flange Adapter Connectors for Medela Breastshield Swing, Harmony Flange and Spectra Backflow Protector (Yellow 2pc) by babyvalley
- **How much does it cost?** A$2 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/146286956-babyvalley-upgrade-backflow-adapter-compatible-with-spectra-s1-s2-spectra)

## Best For

- babyvalley enthusiasts

## Why This Product

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

## Key Features

- • **Safety First:** Crafted from 100% BPA-free food-grade material for peace of mind.
- • **Classic Style:** Vibrant yellow color adds a touch of fun to your pumping routine.
- • **Effortless Setup:** Quick and easy installation—no tools required!
- • **Portable Convenience:** Lightweight design makes it perfect for on-the-go moms.
- • **Seamless Compatibility:** Easily connects Medela and Spectra parts for hassle-free pumping.

## Overview

The Upgrade Backflow Adapter is a versatile connector designed for seamless compatibility between Medela breast shields and Spectra backflow protectors. Made from 100% BPA-free food-grade material, this adapter ensures safety for both mom and baby. Its lightweight and portable design allows for easy installation, making it a must-have for breastfeeding moms using different pump systems.

## Description

Full description not available

## Features

- 【Compatible Models】flange adapter is the connector between with Spectra S1,Spectra S2, Spectra 9, 9Plus backflow protector.（NOT for Medela Swing Maxi, Freestyle nor Sonata. ）Please check your pump model before purchasing.
- 【Bridge Between Medela Parts and Spectra Backflow】Adapter is compatible with Medela parts accessories and original Spectra backflow protector.
- 【Food Grade Material】All breast pump parts accessories in BabyValley are made of 100% BPA free high quality material. It is safe to baby and a good choice for moms to buy at ease.
- 【Easy Installation】Connect the small end of the adapter to Medela Breastshield and the large end to Spectra backflow protector. Portable and convenient connector for Medela parts and Spectra pump. Money savor for breastfeeding moms with different pumps.
- Classic yellow color

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Package Dimensions | 4.5 x 2.9 x 0.4 inches |
| Safety warning | This is small part, please keep away from children under three years old |
| Target gender | Female |
| Material Type | Food grade PP |
| Material free | BPA Free |
| Batteries required | No |
| Item Weight | 0.035 ounces |

## Images

![BabyValley Upgrade Backflow Adapter Compatible with Spectra S1/S2, Spectra 9, 9Plus Flange Adapter Connectors for Medela Breastshield Swing, Harmony Flange and Spectra Backflow Protector (Yellow 2pc) - Image 1](https://m.media-amazon.com/images/I/51zGOhkoadL.jpg)
![BabyValley Upgrade Backflow Adapter Compatible with Spectra S1/S2, Spectra 9, 9Plus Flange Adapter Connectors for Medela Breastshield Swing, Harmony Flange and Spectra Backflow Protector (Yellow 2pc) - Image 2](https://m.media-amazon.com/images/I/41h8QgndmeL.jpg)
![BabyValley Upgrade Backflow Adapter Compatible with Spectra S1/S2, Spectra 9, 9Plus Flange Adapter Connectors for Medela Breastshield Swing, Harmony Flange and Spectra Backflow Protector (Yellow 2pc) - Image 3](https://m.media-amazon.com/images/I/41g7E7aqQVL.jpg)
![BabyValley Upgrade Backflow Adapter Compatible with Spectra S1/S2, Spectra 9, 9Plus Flange Adapter Connectors for Medela Breastshield Swing, Harmony Flange and Spectra Backflow Protector (Yellow 2pc) - Image 4](https://m.media-amazon.com/images/I/41sBiZ3WBxL.jpg)
![BabyValley Upgrade Backflow Adapter Compatible with Spectra S1/S2, Spectra 9, 9Plus Flange Adapter Connectors for Medela Breastshield Swing, Harmony Flange and Spectra Backflow Protector (Yellow 2pc) - Image 5](https://m.media-amazon.com/images/I/61nrMOIOiSL.jpg)

## Available Options

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

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**Shop now:** [https://www.desertcart.com.au/products/146286956-babyvalley-upgrade-backflow-adapter-compatible-with-spectra-s1-s2-spectra](https://www.desertcart.com.au/products/146286956-babyvalley-upgrade-backflow-adapter-compatible-with-spectra-s1-s2-spectra)

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-03-16*