---
product_id: 451905124
title: "20mm Silicone Flange Inserts Compatible with Medela/for Spectra S1 S2 / Elvie/Willow go/Momcozy S12/ TSRETE 24mm Breast Pump Shields or Freemie 25mm; Reduce Nipple Tunnel Down to 20mm"
brand: "durceler"
price: "€ 65.33"
currency: EUR
in_stock: true
reviews_count: 5
url: https://www.desertcart.nl/products/451905124-20mm-silicone-flange-inserts-compatible-with-medela-for-spectra-s1
store_origin: NL
region: Netherlands
---

# BPA Free Material Precision Fit Seamless Compatibility 20mm Silicone Flange Inserts Compatible with Medela/for Spectra S1 S2 / Elvie/Willow go/Momcozy S12/ TSRETE 24mm Breast Pump Shields or Freemie 25mm; Reduce Nipple Tunnel Down to 20mm

**Brand:** durceler
**Price:** € 65.33
**Availability:** ✅ In Stock

## Summary

> Pump with Confidence! 💪

## Quick Answers

- **What is this?** 20mm Silicone Flange Inserts Compatible with Medela/for Spectra S1 S2 / Elvie/Willow go/Momcozy S12/ TSRETE 24mm Breast Pump Shields or Freemie 25mm; Reduce Nipple Tunnel Down to 20mm by durceler
- **How much does it cost?** € 65.33 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/451905124-20mm-silicone-flange-inserts-compatible-with-medela-for-spectra-s1)

## Best For

- durceler enthusiasts

## Why This Product

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

## Key Features

- • **Hands-Free Convenience:** Maintain your lifestyle while maximizing milk output.
- • **Durable Silicone Design:** Crafted for longevity and ease of use.
- • **Optimal Milk Expression:** Experience the joy of efficient pumping with a perfect fit.
- • **Universal Compatibility:** Works with major brands for hassle-free use.
- • **Comfort Meets Functionality:** Say goodbye to nipple trauma and hello to comfort.

## Overview

The Durceler 20mm Silicone Flange Inserts are designed to enhance your pumping experience by reducing the nipple tunnel size from 24mm or 25mm to a comfortable 20mm. Made from BPA-free silicone, these inserts ensure durability and comfort while maintaining compatibility with a variety of breast pump brands. Perfect for mothers with smaller nipples, they provide a seamless fit for optimal milk expression and help prevent nipple trauma.

## Description

20mm Silicone Flange Inserts Compatible with Medela/for Spectra S1 S2 / Elvie/Willow go/Momcozy S12/ TSRETE 24mm Breast Pump Shields or Freemie 25mm; Reduce Nipple Tunnel Down to 20mm

## Features

- Durceler 20mm inserts (2pcs a Pack) to compatible with Medela / Spectra / Elvie / Willow / Momcozy / TSRETE / Bellababy / NCVI 24 mm breast shields. It will reduce the 24mm shield nipple tunnel down to 20mm. Also compatible with Freemie 25mm cups to reduce it down to 20mm. Also applicable to most other brands of the models for 24-25mm.
- Seamless Compatibility For Optimal Milk Expression: Suitable for nipple diameter 18-19mm(after a pumping session), or measure the circumference of nipple base about 50.24 - 53.38mm before a pumping session.
- Great solution for small-nippled mothers using large breast shields, Proper nipple tunnel fit is essential for comfort and efficient milk output. It can be compatible with Spectra and Medela (Freestyle, Harmony, Sonata, and Swing-Maxi pumps) and other brands.
- BPA free, made of silicone material. Durable, clear, and comfortable. This accessory helps breast shields for more effective pumping and maximized milk expression while helping to avoid nipple trauma or irritation.
- Maintain compatibility with most handsfree bra. You can use most handsfree bra cups with they original 24/25mm detachable shields having this insert inside. During operation, you need to squeeze slightly to make the Insert fully fit with the shield to achieve the perfect effect.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Units | 2.0 count |
| Brand | Durceler |
| material_composition | BPA Free |

## Product Details

- **Brand:** Durceler
- **Special Feature:** Bpa Free
- **Material:** Silicone
- **Included Components:** Breast Flange
- **Number of Items:** 2

## Images

![20mm Silicone Flange Inserts Compatible with Medela/for Spectra S1 S2 / Elvie/Willow go/Momcozy S12/ TSRETE 24mm Breast Pump Shields or Freemie 25mm; Reduce Nipple Tunnel Down to 20mm - Image 1](https://m.media-amazon.com/images/I/4151BlpG2iL.jpg)

## Questions & Answers

**Q: Is the size labeled into each piece so not to be confused with similar items of another size?**
A: I use this and place it into size 24mm flange because size 24mm flange is big for me.

**Q: Is this compatibility with bellababy wearable breast pump?**
A: yes , it's ok for 24mm bellababy

**Q: Do these work with the zomee pump?**
A: yes ,it's ok for 24-25mm flange of the zomee pump

**Q: Will these work with the momcozy s12 pro?**
A: yes, it's ok, it can work with the momcozy s12 pro  for 24-25mm flanges .

## Customer Reviews

### ⭐⭐⭐⭐⭐ 







  
  
    Excellent
  

*by R***S on Reviewed in the United States on 18 December 2023*

It's perfect for the extractor...

### ⭐⭐⭐⭐⭐ 







  
  
    Versatile
  

*by K***F on Reviewed in the United States on 24 September 2023*

These worked in both my wearable and my wall pump. It was nice to try these out first without buying all new flanges.

### ⭐⭐⭐⭐⭐ 







  
  
    Super comfortable!
  

*by L***A on Reviewed in the United States on 8 November 2022*

I used these and got more milk and my pumping session was so much more comfortable.

## Frequently Bought Together

- Durceler 20mm Silicone Flange Inserts Compatible with Medela/for Spectra S1 S2 / Elvie / S18 S21 / Momcozy S9 S12/ TSRETE 24mm Breast Pump Shields or Freemie 25mm; Reduce Nipple Tunnel Down to 20mm
- Medela Contact Nipple Shields, Medium 20mm | For Latching Difficulties during Breastfeeding, Flat or Inverted Nipples
- Maymom 20 mm Flange and Duckbill Valve Compatible with Spectra S1 Spectra S2 Spectra 9 Plus Not Original Spectra Pump Parts Replace Spectra S2 Pump Parts Spectra Flange Spectra Duckbill Valve

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.nl/products/451905124-20mm-silicone-flange-inserts-compatible-with-medela-for-spectra-s1](https://www.desertcart.nl/products/451905124-20mm-silicone-flange-inserts-compatible-with-medela-for-spectra-s1)

---

*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-03-06*