---
product_id: 576751904
title: "semai Flange Inserts 19mm Breast Pump Parts Compatible with Medela/Momcozy S12 Pro/S9 Pro/S12/S9/Spectra/Elvie 24mm Breast Pump Shields/Flanges, Reduce 24mm Nipple Tunnel Down to Correct Size, 4PCS"
brand: "semai"
price: "¥3972"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/576751904-semai-flange-inserts-19mm-breast-pump-parts-compatible-with-medela
store_origin: JP
region: Japan
---

# BPA-free silicone Comfortable pumping Easy to clean semai Flange Inserts 19mm Breast Pump Parts Compatible with Medela/Momcozy S12 Pro/S9 Pro/S12/S9/Spectra/Elvie 24mm Breast Pump Shields/Flanges, Reduce 24mm Nipple Tunnel Down to Correct Size, 4PCS

**Brand:** semai
**Price:** ¥3972
**Availability:** ✅ In Stock

## Summary

> Pumping made perfect! 🍼

## Quick Answers

- **What is this?** semai Flange Inserts 19mm Breast Pump Parts Compatible with Medela/Momcozy S12 Pro/S9 Pro/S12/S9/Spectra/Elvie 24mm Breast Pump Shields/Flanges, Reduce 24mm Nipple Tunnel Down to Correct Size, 4PCS by semai
- **How much does it cost?** ¥3972 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/576751904-semai-flange-inserts-19mm-breast-pump-parts-compatible-with-medela)

## Best For

- semai enthusiasts

## Why This Product

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

## Key Features

- • **Hygiene First:** Crafted from food-grade materials, ensuring your baby's milk is safe and pure.
- • **Easy Maintenance:** Quick to clean and sanitize, making your pumping routine hassle-free.
- • **Universal Compatibility:** Designed to fit a wide range of breast pumps, ensuring you’re covered no matter your brand.
- • **Comfort Meets Efficiency:** Transform your pumping experience with a snug fit that maximizes milk output.
- • **Supportive Customer Care:** Our dedicated team is here to assist you with any questions or concerns.

## Overview

The semai Flange Inserts are designed to convert 24mm breast pump flanges to a smaller size, ensuring a comfortable and efficient pumping experience. Made from BPA-free silicone, these inserts are easy to clean and compatible with a wide range of breast pump brands. Each pack contains 4 inserts, providing a reliable solution for mothers seeking to enhance their milk expression while minimizing discomfort.

## Description

Full description not available

## Features

- Food-Grade Material: semai breast pump flange inserts are made of baby food-quality BPA-free silicone material, giving you peace of mind about your baby's milk, ensuring a worry-free pumping for you and your baby. With semai flange inserts, you can pump with confidence!
- Easy to Clean: semai suggest you to wash these breast pump parts after each use with warm soapy water and rinse well. The Flange Inserts can be sanitized with water steam, boiling water or microwave-steam bags. Please replace the parts in time if the they become deformed or yellowed after a long time using.
- Comfortable and Efficient Pumping: semai flange inserts provide a smaller adjustment option, suitable for the original 24mm flange breast pump, transfer the 24mm size to smaller size, make the breast pumping more comfortable and efficient for the smaller nipple mom. It is a good helper for those moms who are anxious by the little milk output, which can get more milk output from pumping without pain. They help maximize milk expression while minimizing nipple trauma or irritation.
- Wide Application: semai flange inserts are compatible with Momcozy/TSRETE/Paruu/Spectra/Elvie/Willow/Medela/Kmaier/Motif luna/Ameda mya/Freemie/Lansinoh/Phanpy/Zomee/Bellababy/Missaa/Cppslee/Ncvi breast pumps and many S9/S9Pro/S10/S12/S12Pro wearable breast pump 24mm flanges. These replacement pump parts are applicable to most other brands and models to fit 24mm shield/flange.(Not for 27mm shield/flange)
- More Accessories, More Love: If you’ll be pumping frequently, semai flange inserts with different nipple sizes that are compatible with most portable electronic breast pumps on the market are your good choice. If you have any questions about our flange inserts, please just feel free to contact us at anytime, our service team will offer you the best solution. And if you receive the wrong size, please contact us for replacement.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Units | 4 count |
| Brand | semai |
| Country of origin | China |

## Product Details

- **Brand:** semai
- **Special feature:** Lightweight
- **Power source:** Manual
- **Dishwasher safe?:** Yes
- **Size:** 4pcs-19mm
- **UPC:** 768434072429
- **Manufacturer:** semai

## Images

![semai Flange Inserts 19mm Breast Pump Parts Compatible with Medela/Momcozy S12 Pro/S9 Pro/S12/S9/Spectra/Elvie 24mm Breast Pump Shields/Flanges, Reduce 24mm Nipple Tunnel Down to Correct Size, 4PCS - Image 1](https://m.media-amazon.com/images/I/61e6Pdm0F3L.jpg)
![semai Flange Inserts 19mm Breast Pump Parts Compatible with Medela/Momcozy S12 Pro/S9 Pro/S12/S9/Spectra/Elvie 24mm Breast Pump Shields/Flanges, Reduce 24mm Nipple Tunnel Down to Correct Size, 4PCS - Image 2](https://m.media-amazon.com/images/I/71AqYQ60fFL.jpg)
![semai Flange Inserts 19mm Breast Pump Parts Compatible with Medela/Momcozy S12 Pro/S9 Pro/S12/S9/Spectra/Elvie 24mm Breast Pump Shields/Flanges, Reduce 24mm Nipple Tunnel Down to Correct Size, 4PCS - Image 3](https://m.media-amazon.com/images/I/71Fwqj-xKFL.jpg)
![semai Flange Inserts 19mm Breast Pump Parts Compatible with Medela/Momcozy S12 Pro/S9 Pro/S12/S9/Spectra/Elvie 24mm Breast Pump Shields/Flanges, Reduce 24mm Nipple Tunnel Down to Correct Size, 4PCS - Image 4](https://m.media-amazon.com/images/I/71Kwm7akzHL.jpg)
![semai Flange Inserts 19mm Breast Pump Parts Compatible with Medela/Momcozy S12 Pro/S9 Pro/S12/S9/Spectra/Elvie 24mm Breast Pump Shields/Flanges, Reduce 24mm Nipple Tunnel Down to Correct Size, 4PCS - Image 5](https://m.media-amazon.com/images/I/71RUKhmty-L.jpg)

## Available Options

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

## Questions & Answers

**Q: Are these breast pump accessories comfortable to use?**
A: Dear customer, thank you for your question. Semai's flange inserts are soft and flexible designed, very comfortable to use. Hope this information is helpful to you. If you have any further questions, welcome to contact us at any time.

**Q: I have a Momcozy S9 breast pump, are these inserts compatible with it?**
A: Dear customer, thank you for your question. Our flange inserts are compatible with many breast pumps in the market which are equipped with 24mm flanges. Hope this information is helpful to you. If you have any further questions, welcome to contact us at any time.

**Q: How to choose the correct size of the flange insert for my nipple?**
A: Dear customer, thank you for your question. Firstly, you should measure your nipple's diameter and do not include areola. And then choose correct size 3-5mm larger than your nipple's diameter. Please select the appropriate size flange insert for your nipple. If you are not sure which size is best, we recommend purchasing our flange inserts 13/15/17/19/21mm 5pcs set. Hope this information is helpful to you. If you have any further questions, welcome to contact us at any time.

## Frequently Bought Together

- semai Flange Inserts 19mm Breast Pump Parts Compatible with Medela/Momcozy S12 Pro/S9 Pro/S12/S9/Spectra/Elvie 24mm Breast Pump Shields/Flanges, Reduce 24mm Nipple Tunnel Down to Correct Size, 4PCS
- Medela PersonalFit Flex Breast Shields - More milk and more comfort while pumping, for use with any Medela breast pump, size S

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-22*