---
product_id: 331864113
title: "Flange Inserts 17 mm for Medela, Spectra 24 mm Shields/Flanges, Momcozy/Willow Wearable Cup. Compatible with Medela Freestyle, Harmony to Reduce 24mm Tunnel Down to 17 mm; 2pc/Each"
brand: "maymom"
price: "A$25"
currency: AUD
in_stock: true
url: https://www.desertcart.com.au/products/331864113-flange-inserts-17-mm-for-medela-spectra-24-mm-shields
store_origin: AU
region: Australia
---

# Reduces 24mm tunnel to 17mm Universal compatibility with 24-25mm flanges BPA-free food-grade silicone Flange Inserts 17 mm for Medela, Spectra 24 mm Shields/Flanges, Momcozy/Willow Wearable Cup. Compatible with Medela Freestyle, Harmony to Reduce 24mm Tunnel Down to 17 mm; 2pc/Each

**Brand:** maymom
**Price:** A$25
**Availability:** ✅ In Stock

## Summary

> 📏 Perfect fit, flawless pump – upgrade your flow game!

## Quick Answers

- **What is this?** Flange Inserts 17 mm for Medela, Spectra 24 mm Shields/Flanges, Momcozy/Willow Wearable Cup. Compatible with Medela Freestyle, Harmony to Reduce 24mm Tunnel Down to 17 mm; 2pc/Each by maymom
- **How much does it cost?** A$25 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/331864113-flange-inserts-17-mm-for-medela-spectra-24-mm-shields)

## 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

- • **Hands-Free Bra Friendly:** Maintains full compatibility with most hands-free bras, so you stay mobile and productive.
- • **Safe & Hygienic Material:** Crafted from BPA-free, food-grade silicone ensuring safety for you and your baby.
- • **Broad Compatibility Spectrum:** Works flawlessly with Medela, Spectra, Momcozy, Willow, Ameda, Lansino, and Freemie wearable cups and flanges.
- • **Compact Dual-Pack Convenience:** Includes 2 inserts per pack, perfect for daily use or as a backup to keep you prepared.
- • **Precision Fit for Ultimate Comfort:** Seamlessly reduces 24mm flange tunnels to a snug 17mm for a personalized pumping experience.

## Overview

Maymom 17mm flange inserts expertly reduce standard 24mm breast shield tunnels to 17mm, enhancing comfort and fit across a wide range of popular wearable breast pump brands. Made from BPA-free, food-grade silicone, these inserts ensure safety and hygiene while maintaining compatibility with hands-free bras and multiple flange models. Each pack contains two inserts, designed to optimize your pumping routine with precision and convenience.

## Description

Flange Inserts 17 mm for Medela, Spectra 24 mm Shields/Flanges, Momcozy/Willow Wearable Cup. Compatible with Medela Freestyle, Harmony to Reduce 24mm Tunnel Down to 17 mm; 2pc/Each

## Features

- Maymom 17 mm inserts (Long) compatible with Medela PersonalFit/Spectra 24 mm shields. It will reduce the 24-mm shield tunnel down to 17 mm. Also compatible with Momcozy/LegendairyMilk/Tsrete Wearable 24mm silicone cups.
- Maintain compatibility with most handsfree bra - Based on the Medela PersonalFit system. You can use most handsfree bra with your original 24 mm detachable shields having this insert inside.
- Can be compatible with Spectra 24mm flanges, Ameda Purely Yours 25mm flanges, Ameda Mya Joy 25mm flanges, Willow 24mm flanges, Lansino 24mm flanges. Momcozy S9/S10/S12 Wearable Breastpump 24 mm cups ( NOT for 27 mm M1 cups)
- Also fits freemie 25 mm cup to reduce its tunnel
- BPA free, made of food-grade silicone.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Units | 2.0 Count |
| Brand | Maymom |

## Images

![Flange Inserts 17 mm for Medela, Spectra 24 mm Shields/Flanges, Momcozy/Willow Wearable Cup. Compatible with Medela Freestyle, Harmony to Reduce 24mm Tunnel Down to 17 mm; 2pc/Each - Image 1](https://m.media-amazon.com/images/I/41w85XfNyML._AC_UL320_.jpg)
![Flange Inserts 17 mm for Medela, Spectra 24 mm Shields/Flanges, Momcozy/Willow Wearable Cup. Compatible with Medela Freestyle, Harmony to Reduce 24mm Tunnel Down to 17 mm; 2pc/Each - Image 2](https://m.media-amazon.com/images/I/41w85XfNyML._AC_UL480_FMwebp_QL65_.jpg)
![Flange Inserts 17 mm for Medela, Spectra 24 mm Shields/Flanges, Momcozy/Willow Wearable Cup. Compatible with Medela Freestyle, Harmony to Reduce 24mm Tunnel Down to 17 mm; 2pc/Each - Image 3](https://m.media-amazon.com/images/I/41w85XfNyML._AC_UL640_FMwebp_QL65_.jpg)
![Flange Inserts 17 mm for Medela, Spectra 24 mm Shields/Flanges, Momcozy/Willow Wearable Cup. Compatible with Medela Freestyle, Harmony to Reduce 24mm Tunnel Down to 17 mm; 2pc/Each - Image 4](https://m.media-amazon.com/images/I/41w85XfNyML._AC_UL800_FMwebp_QL65_.jpg)
![Flange Inserts 17 mm for Medela, Spectra 24 mm Shields/Flanges, Momcozy/Willow Wearable Cup. Compatible with Medela Freestyle, Harmony to Reduce 24mm Tunnel Down to 17 mm; 2pc/Each - Image 5](https://m.media-amazon.com/images/I/41w85XfNyML._AC_UL960_FMwebp_QL65_.jpg)

## Available Options

This product comes in different **Pattern Name** options.

## Questions & Answers

**Q: Can these get shipped out any faster? Im desperate to get my milk clog out and i need these inserts. Please ship my order 🙏**
A: HI, please contact amazon for this matter.  we use them to do the shipping.  the stock is with amazon.

**Q: Can you put this in the freezer?**
A: Yes

**Q: Will this work with the 24 mm elvie or willow pump?**
A: Yes! I have the elvie and use these! Just had to cut the ends to make it shorter but after I did it works perfect!

**Q: Will these work with the 24mm motif luna flanges?**
A: HI, while this should work, but we recommend that you use our ONE-piece flange for convenience. here is the link
https://www.amazon.com/Maymom-Spectra-Flanges-Original-Replaces/dp/B07PVJ8ZVM/ref=sr_1_2?dchild=1&keywords=maymom+17&qid=1593191447&sr=8-2

If you are still in the process of finding the best fit, you can try our two piece system here.  buy a connector and any size of shield you want to try -
https://www.amazon.com/dp/B07WD385MM/ref=twister_B07W9KTWDB?_encoding=UTF8&psc=1

## Frequently Bought Together

- Maymom Flange Inserts 17 mm for Medela, Spectra 24 mm Shields/Flanges, Momcozy/Willow Wearable Cup. Compatible with Medela Freestyle, Harmony to Reduce 24mm Nipple Tunnel Down to 17 mm; 2pc/Each
- Maymom Flange Inserts 19 mm for Medela, Spectra 24 mm Shields/Flanges, Momcozy/Willow Wearable Cup. Compatible with Medela Freestyle, Harmony to Reduce 24mm Nipple Tunnel Down to 19 mm; 2pc/Each
- Maymom Flange 15mm Inserts Compatible with Medela, Spectra 24 mm Shields/Flanges, Momcozy/ Willow Wearable Cup. Compatible with Medela Freestyle, Harmony , to Reduce 24mm Down to 15 mm; 2pc/Each

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**Shop now:** [https://www.desertcart.com.au/products/331864113-flange-inserts-17-mm-for-medela-spectra-24-mm-shields](https://www.desertcart.com.au/products/331864113-flange-inserts-17-mm-for-medela-spectra-24-mm-shields)

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-13*