---
product_id: 505683313
title: "Mompmuir18mm Silicone Flange Inserts Compatible with Elvie Stride Lansinoh Medela for Spectra Insert Willow go TSRETE Momcozy S9 S12 Bellababy Maymom Pump Parts Reduce 24-25mm Elastic to 18mm"
brand: "mompmuir"
price: "A$35"
currency: AUD
in_stock: true
url: https://www.desertcart.com.au/products/505683313-mompmuir18mm-silicone-flange-inserts-compatible-with-elvie-stride-lansinoh-medela
store_origin: AU
region: Australia
---

# Boiling, steam, dishwasher safe durability Precision 18mm fit reduces 24-25mm flange size BPA & DEHP free, food-safe silicone Mompmuir18mm Silicone Flange Inserts Compatible with Elvie Stride Lansinoh Medela for Spectra Insert Willow go TSRETE Momcozy S9 S12 Bellababy Maymom Pump Parts Reduce 24-25mm Elastic to 18mm

**Brand:** mompmuir
**Price:** A$35
**Availability:** ✅ In Stock

## Summary

> 🍼 Pump smarter, not harder — perfect fit, flawless flow!

## Quick Answers

- **What is this?** Mompmuir18mm Silicone Flange Inserts Compatible with Elvie Stride Lansinoh Medela for Spectra Insert Willow go TSRETE Momcozy S9 S12 Bellababy Maymom Pump Parts Reduce 24-25mm Elastic to 18mm by mompmuir
- **How much does it cost?** A$35 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/505683313-mompmuir18mm-silicone-flange-inserts-compatible-with-elvie-stride-lansinoh-medela)

## Best For

- mompmuir enthusiasts

## Why This Product

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

## Key Features

- • **Safe & Hygienic:** Crafted from BPA and DEHP-free silicone, fully food-safe with a seamless design for easy cleaning and peace of mind.
- • **Custom Comfort Fit:** Transforms standard 24-25mm flanges down to a precise 18mm for optimal pumping efficiency and comfort.
- • **Effortless Maintenance:** Boiling water, steam, and dishwasher top-rack safe for hassle-free sterilization and long-lasting use.
- • **Universal Compatibility:** Seamlessly works with top brands like Elvie, Willow, Lansinoh, Medela, Spectra, and more—no pump left behind.
- • **Next-Gen Milk Flow Design:** Innovative two-level taper ensures smooth milk flow without suction loss or blockages.

## Overview

MompMuir 18mm Silicone Flange Inserts expertly reduce standard 24-25mm breast shield tunnels to 18mm, enhancing comfort and pumping efficiency. Compatible with a wide range of leading pump brands, these BPA and DEHP-free inserts feature a second-generation two-level taper design that maintains original pump suction while optimizing milk flow. Durable and hygienic, they are safe for boiling, steaming, and dishwasher cleaning, making them an essential upgrade for discerning pumping professionals.

## Description

Mompmuir18mm Silicone Flange Inserts Compatible with Elvie Stride Lansinoh Medela for Spectra Insert Willow go TSRETE Momcozy S9 S12 Bellababy Maymom Pump Parts Reduce 24-25mm Elastic to 18mm

## Features

- MompMuir 18mm Flange Inserts Compatible with Elvie/ Elvie Stride, Willow, Willow Gen 3, Momcozy S9/S10/S12, Compatible with Lansinoh, Freemie, Amada MYA, Bellababy, Spectra S1/S2, Medela, TSRETE, FEISIKE, Rainyb. It will reduce the 24-25mm breast shields tunnel down to 18mm. 2pcs each pack.
- The 18mm insert Suitable for diameter 14-15mm(before a pumping session), or measure the circumference of base about 43.96-47.10mm(before a pumping session).
- More different sizes are available, 15, 16, 17, 18, 19, 20, 21, 22mm. Soft silicone makes pumping more comfortable, and correct flange sizes make pumping more efficient.
- Second Generation Improved Flange Inserts: two levels taper design for milk flow without blocking, do not reduce the suction of the original pump.
- BPA and DEHP Free. SAME SUCTION AS ORIGINAL PUMP PARTS. EASY TO INSTALL & REMOVE. Boiling water safe, Steam safe, Dishwasher toprack safe. Food-safe, seamless design.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Units | 2.0 count |
| Brand | Mompmuir |

## Images

![Mompmuir18mm Silicone Flange Inserts Compatible with Elvie Stride Lansinoh Medela for Spectra Insert Willow go TSRETE Momcozy S9 S12 Bellababy Maymom Pump Parts Reduce 24-25mm Elastic to 18mm - Image 1](https://m.media-amazon.com/images/I/41q3ccEVrmL.jpg)
![Mompmuir18mm Silicone Flange Inserts Compatible with Elvie Stride Lansinoh Medela for Spectra Insert Willow go TSRETE Momcozy S9 S12 Bellababy Maymom Pump Parts Reduce 24-25mm Elastic to 18mm - Image 2](https://m.media-amazon.com/images/I/611AGlBVtRL.jpg)
![Mompmuir18mm Silicone Flange Inserts Compatible with Elvie Stride Lansinoh Medela for Spectra Insert Willow go TSRETE Momcozy S9 S12 Bellababy Maymom Pump Parts Reduce 24-25mm Elastic to 18mm - Image 3](https://m.media-amazon.com/images/I/61tD+gUcVcL.jpg)
![Mompmuir18mm Silicone Flange Inserts Compatible with Elvie Stride Lansinoh Medela for Spectra Insert Willow go TSRETE Momcozy S9 S12 Bellababy Maymom Pump Parts Reduce 24-25mm Elastic to 18mm - Image 4](https://m.media-amazon.com/images/I/71msm4bdCDL.jpg)
![Mompmuir18mm Silicone Flange Inserts Compatible with Elvie Stride Lansinoh Medela for Spectra Insert Willow go TSRETE Momcozy S9 S12 Bellababy Maymom Pump Parts Reduce 24-25mm Elastic to 18mm - Image 5](https://m.media-amazon.com/images/I/61hl4nssOOL.jpg)

## Available Options

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

## Questions & Answers

**Q: Does this work for the Momcozy S12 PRO?**
A: yes, it's OK work for the Momcozy S12 PRO of 24mm flanges.

**Q: Is the flange insert supposed to be loose? I'm using an elvie pump**
A: It's OK  for 24-25mm flanges.

## Frequently Bought Together

- MompMuir 18mm Silicone Flange Inserts Compatible with Elvie Stride Lansinoh Medela for Spectra Insert Willow go TSRETE Momcozy S9 S12 Bellababy Maymom Pump Parts Reduce 24-25mm Elastic Nipple to 18mm
- Maymom 18mm 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
- Momcozy Hands Free Pumping Bra, Adjustable Breast-Pumps Holding and Nursing Bra, Pumping & Nursing Bra in One

---

## 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.com.au/products/505683313-mompmuir18mm-silicone-flange-inserts-compatible-with-elvie-stride-lansinoh-medela](https://www.desertcart.com.au/products/505683313-mompmuir18mm-silicone-flange-inserts-compatible-with-elvie-stride-lansinoh-medela)

---

*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-03-19*