---
product_id: 643859510
title: "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"
brand: "mompmuir"
price: "₱14742"
currency: PHP
in_stock: true
url: https://www.desertcart.ph/products/643859510-18mm-silicone-flange-inserts-compatible-with-elvie-stride-lansinoh-medela
store_origin: PH
region: Philippines
---

# Boiling & steam safe durability BPA & DEHP free silicone Precision 18mm nipple tunnel fit 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

**Brand:** mompmuir
**Price:** ₱14742
**Availability:** ✅ In Stock

## Summary

> 🍼 Pump smarter, not harder — the perfect fit for every mom on the go!

## Quick Answers

- **What is this?** 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 by mompmuir
- **How much does it cost?** ₱14742 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ph](https://www.desertcart.ph/products/643859510-18mm-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:** Made from food-grade silicone, BPA & DEHP free, dishwasher and steam safe for effortless cleaning.
- • **Custom Comfort Fit:** Reduces 24-25mm flanges to a perfect 18mm for optimal nipple fit and pumping efficiency.
- • **Next-Gen Milk Flow:** Innovative two-level taper design ensures smooth milk flow without suction loss.
- • **Lightweight & Portable:** Compact 18g design makes it easy to carry and install anytime, anywhere.
- • **Universal Compatibility:** Works seamlessly with top brands like Elvie, Willow, Medela, Spectra, and more.

## Overview

MompMuir 18mm Silicone Flange Inserts are precision-engineered pump accessories that reduce standard 24-25mm breast shield tunnels to 18mm, enhancing comfort and efficiency for nipples sized 14-15mm. Compatible with leading pump brands, these BPA-free, food-safe silicone inserts feature a two-level taper design to maintain suction and milk flow. Durable and easy to clean, they are boiling, steam, and dishwasher safe, making them an essential upgrade for modern breastfeeding moms seeking a customized pumping experience.

## Description

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

## 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 nipple tunnel down to 18mm. 2pcs each pack.
- The 18mm insert Suitable for nipple diameter 14-15mm(before a pumping session), or measure the circumference of nipple 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 |
|---------------|-------|
| Model Number | CSH-01 |
| Material | Silicone |
| Additional product features | Portable, Lightweight |
| Number of items | 2 |
| Style | Modern |
| Pump type | Manual |
| Batteries required | No |
| Dishwasher safe | Yes |
| Product Dimensions | 4.01 x 4.01 x 3 cm; 18 g |
| Item model number | CSH-01 |
| Manufacturer | Mompmuir |
| Item Weight | 18 g |

## Images

![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 - Image 1](https://m.media-amazon.com/images/I/41q3ccEVrmL.jpg)

## 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
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**Shop now:** [https://www.desertcart.ph/products/643859510-18mm-silicone-flange-inserts-compatible-with-elvie-stride-lansinoh-medela](https://www.desertcart.ph/products/643859510-18mm-silicone-flange-inserts-compatible-with-elvie-stride-lansinoh-medela)

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*Product available on Desertcart Philippines*
*Store origin: PH*
*Last updated: 2026-02-06*